<B>sitzmark, </B>noun.<DL COMPACT><DD> a hole in the snow made by a skier who falls backward and comes to rest approximately in a sitting position. <BR> <I>Ex. Thousands left their sitzmarks on the deep powder slopes of California's Sierras and Washington's Cascade range (Time).</I> </DL>
<A NAME="siu">
<B>SIU</B> (no periods) or <B>S.I.U.,</B><DL COMPACT><DD> Seafarers' International Union. </DL>
<A NAME="siunit">
<B>SI unit,</B><DL COMPACT><DD> any one of the units of measurement in the international meter-kilogram-second system. </DL>
<A NAME="siva">
<B>Siva, </B>noun.<DL COMPACT><DD> one of the three chief Hindu divinities, known as "the Destroyer," the others being Brahma and Vishnu. Those who worship Siva as the primary Hindu divinity consider him to be the creative and reproductive force. Also, <B>Shiva.</B> </DL>
<A NAME="sivaism">
<B>Sivaism, </B>noun.<DL COMPACT><DD> the worship of Siva. </DL>
<A NAME="sivaist">
<B>Sivaist, </B>noun.<DL COMPACT><DD> a worshiper of Siva. </DL>
<A NAME="sivaistic">
<B>Sivaistic, </B>adjective.<DL COMPACT><DD> of or having to do with Sivaism or Sivaists. </DL>
<A NAME="sivaite">
<B>Sivaite, </B>noun.<DL COMPACT><DD> a person who worships Siva; an adherent of the worship of Siva. </DL>
<A NAME="sivan">
<B>Sivan, </B>noun.<DL COMPACT><DD> the ninth month of the Jewish civil year or the third of the ecclesiastical year, corresponding to May and sometimes part of June. </DL>
<A NAME="sivasnake">
<B>siva snake, =king cobra.</B></DL>
<A NAME="sivathere">
<B>sivathere, </B>noun. <B>=sivatherium.</B></DL>
<A NAME="sivatherium">
<B>sivatherium</B> or <B>Sivatherium, </B>noun.<DL COMPACT><DD> a large, extinct mammal, a forebear of the modern giraffe but having a shorter neck and legs, a skull as large as an elephant's, and two pairs of horns, the posterior pair attaining six-foot spread. Its fossil remains were found in the Tertiary strata of India. </DL>
<A NAME="siver">
<B>siver, </B>noun.<DL COMPACT><DD> (Scottish.) a gutter, drain, or sewer. </DL>
<A NAME="siwan">
<B>Siwan, </B>noun. <B>=Sivan.</B></DL>
<A NAME="siwash">
<B>Siwash, </B>noun.<DL COMPACT><DD><B> 1. </B>a North American Indian of the northern Pacific coast (used in an unfriendly way). <DD><B> 2. </B>(U.S. Slang.) a small or inferior college. </DL>
<A NAME="six">
<B>six, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> <B>1. </B>one more than five; 6. <BR> <I>Ex. Six of anything is the same as half a dozen.</I> <DD><B> 2. </B>a set of six persons or things. <DD><B> 3. </B>the number six. <DD><B> 4. </B>a playing card or die with six spots. <DD><B> 5. </B>anything identified as being or having six units, especially a six-cylinder automobile. <DD><I>adj. </I> being one more than five. <BR> <I>Ex. Six apples are half a dozen apples.</I> <BR><I>expr. <B>at sixes and sevens,</B> <DD><B> a. </B>in confusion. </I> <I>Ex. As usual, things were also at sixes and sevens in the stake races for fillies (New Yorker).</I> <DD><B> b. </B>in disagreement. <BR> <I>Ex. With the Democratic party at sixes and sevens since the Minnesota primary there will be a whole stable of dark horses in the background this year (Wall Street Journal).</I> <BR><I>expr. <B>knock</B> (or <B>hit</B>) <B>for six,</B> </I>(British Slang.) to beat soundly; defeat; destroy. <BR> <I>Ex. Declaring that the Bill is a "serious infringement on the rights of women," they proceed to knock it for six (London Times).</I> </DL>
<A NAME="sixbysix">
<B>six-by-six, </B>noun.<DL COMPACT><DD> a motor truck with six wheels. <BR> <I>Ex. Engineers banging down the road in six-by-sixes, raising red dust (New Yorker).</I> </DL>
<A NAME="sixfold">
<B>sixfold, </B>adjective, adverb.<DL COMPACT><DD><I>adj. </I> <B>1. </B>six times as much or as many; sextuple. <DD><B> 2. </B>having six parts. <DD><I>adv. </I> six times as much or as many. </DL>
<A NAME="sixfoot">
<B>six-foot, </B>adjective.<DL COMPACT><DD> six feet long or tall. </DL>
<A NAME="sixfooter">
<B>six-footer, </B>noun.<DL COMPACT><DD> a person who is six feet tall. </DL>
<A NAME="sixgun">
<B>six-gun, </B>noun.<DL COMPACT><DD> (U.S.) a six-shooter. </DL>
<A NAME="sixnations">
<B>Six Nations,</B><DL COMPACT><DD> a federation of Iroquois Indian tribes. The Tuscarora tribe of Iroquois in 1722 joined the original federation of Iroquois tribes called the Five Nations. </DL>
<A NAME="606">
<B>606,</B><DL COMPACT><DD> the original name of arsphenamine. </DL>
<A NAME="sixpack">
<B>six-pack, </B>noun.<DL COMPACT><DD> a container holding six bottles, cans, or other items sold as a unit. <BR> <I>Ex. a six-pack of beer.</I> </DL>
<A NAME="sixpence">
<B>sixpence, </B>noun.<DL COMPACT><DD><B> 1. </B>a sum of six British pennies; six pence. <DD><B> 2. </B>a former British coin worth six pence or 1/2 of a shilling. The sixpence was discontinued in 1971. </DL>
<A NAME="sixpenny">
<B>sixpenny, </B>adjective.<DL COMPACT><DD><B> 1. </B>worth, costing, or amounting to sixpence. <DD><B> 2. </B>(British.) of little worth; cheap. <DD><B> 3. </B>two inches long; two-inch. <BR> <I>Ex. sixpenny nails.</I> </DL>
<A NAME="sixscore">
<B>sixscore, </B>adjective.<DL COMPACT><DD> (Archaic.) six times twenty; 120. </DL>
<A NAME="sixshooter">
<B>six-shooter, </B>noun.<DL COMPACT><DD> (Informal.) <DD><B> 1. </B>a revolver that can fire six shots without being loaded again. Six-shooters are of large caliber (.44 or .45; never less than .38). <DD><B> 2. </B>any revolver. </DL>
<A NAME="sixsome">
<B>sixsome, </B>noun.<DL COMPACT><DD><B> 1. </B>a group of six people. <DD><B> 2. </B>a game played by six people. <DD><B> 3. </B>the players. </DL>
<A NAME="sixte">
<B>sixte, </B>noun.<DL COMPACT><DD> (Fencing.) the sixth in a series of eight defensive positions or parries. </DL>
<A NAME="sixteen">
<B>sixteen, </B>noun, adjective.<DL COMPACT><DD> six more than ten; 16. <BR> <I>Ex. There are sixteen ounces in a pound.</I> </DL>
<A NAME="sixteenmo">
<B>sixteenmo, </B>noun, pl. <B>-mos,</B> adjective. <B>=sextodecimo.</B></DL>
<A NAME="sixteenth">
<B>sixteenth, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>next after the 15th; last in a series of 16. <BR> <I>Ex. a sixteenth birthday.</I> <DD><B> 2. </B>being one of 16 equal parts. <BR> <I>Ex. An ounce is a sixteenth part of a pound.</I> <DD><I>noun </I> <B>1. </B>the next after the 15th; last in a series of 16. <DD><B> 2. </B>one of 16 equal parts. <BR> <I>Ex. An ounce is one sixteenth of a pound.</I> <DD><B> 3. </B>(Music.) a sixteenth note. </DL>
<A NAME="sixteenthnote">
<B>sixteenth note,</B><DL COMPACT><DD> (Music.) a note played for one sixteenth as long a time as a whole note; semiquaver. </DL>
<A NAME="sixteenthrest">
<B>sixteenth rest,</B><DL COMPACT><DD> (Music.) a rest as long as a sixteenth note. </DL>
<A NAME="sixth">
<B>sixth, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>next after the fifth; last in a series of 6. <BR> <I>Ex. a sixth birthday.</I> <DD><B> 2. </B>being one of 6 equal parts. <BR> <I>Ex. Ten minutes is a sixth part of an hour.</I> <DD><I>noun </I> <B>1. </B>the next after the fifth; last in a series of 6. <BR> <I>Ex. School starts on the sixth.</I> <DD><B> 2. </B>one of 6 equal parts. <BR> <I>Ex. Two inches is a sixth of a foot.</I> <DD><B> 3. </B>(Music.) <DD><B> a. </B>a tone or note six steps apart in the diatonic scale, or the sixth step of a diatonic scale, from a given tone or note. <DD><B> b. </B>the interval between such tones or notes. <DD><B> c. </B>the harmonic combination of such tones. <DD><B> d. </B>the sixth note or tone of a scale, six diatonic degrees above the tonic. </DL>
<A NAME="sixthchord">
<B>sixth chord,</B><DL COMPACT><DD> (Music.) a chord consisting of a note or tone, its third, and its sixth; the first inversion of a triad, with its original third in the bass; chord of the sixth. </DL>
<A NAME="sixthly">
<B>sixthly, </B>adverb.<DL COMPACT><DD> in the sixth place. </DL>
<A NAME="sixthsense">
<B>sixth sense,</B><DL COMPACT><DD> an unusual power of perception; intuition. <BR> <I>Ex. It was not a do-nothing Congress, but its political sixth sense may have helped to keep it from doing many things the country can well do without (Wall Street Journal).</I> </DL>
<A NAME="sixtieth">
<B>sixtieth, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>next after the 59th; last in a series of 60. <BR> <I>Ex. a sixtieth birthday.</I> <DD><B> 2. </B>being one of 60 equal parts. <BR> <I>Ex. A minute is a sixtieth part of an hour.</I> <DD><I>noun </I> <B>1. </B>the next after the 59th; last in a series of 60. <BR> <I>Ex. That car is the sixtieth to drive by today.</I> <DD><B> 2. </B>one of 60 equal parts. <BR> <I>Ex. a sixtieth of one's income.</I> </DL>
<A NAME="sixtine">
<B>Sixtine, </B>adjective. <B>=Sistine.</B></DL>
<A NAME="sixty">
<B>sixty, </B>noun, pl. <B>-ties,</B> adjective.<DL COMPACT><DD> six times ten; 60. <BR><I>expr. <B>like sixty,</B> </I>(Informal.) very fast. <BR> <I>Ex. to go like sixty.</I> </DL>
<A NAME="sixtyfold">
<B>sixtyfold, </B>adjective, adverb.<DL COMPACT><DD> sixty times as much or as many. </DL>
<A NAME="sixtyfourdollar">
<B>sixty-four-dollar</B> or <B>$64 question,</B><DL COMPACT><DD> (U.S.) the key question; the final and most important question. <BR> <I>Ex. The answer to the $64 question has thus far been given by the politicians, with woefully inadequate consideration of the scientist's point of view (Science News Letter).</I> </DL>
<A NAME="sixtyfourthnote">
<B>sixty-fourth note,</B><DL COMPACT><DD> (Music.) a note played for one sixty-fourth as long a time as a whole note; hemidemisemiquaver. </DL>
<A NAME="sixtyfourthrest">
<B>sixty-fourth rest,</B><DL COMPACT><DD> (Music.) a rest as long as a sixty-fourth note. </DL>
<A NAME="sizable">
<B>sizable, </B>adjective.<DL COMPACT><DD><B> 1. </B>fairly large. <BR> <I>Ex. a sizable sum.</I> <DD><B> 2. </B>(Archaic.) of suitable or convenient size. Also, <B>sizeable.</B> noun <B>sizableness.</B> </DL>
<A NAME="sizably">
<B>sizably, </B>adverb.<DL COMPACT><DD> to a sizable extent or degree. Also, <B>sizeably.</B> </DL>
<A NAME="sizar">
<B>sizar, </B>noun.<DL COMPACT><DD> a student who pays reduced rates in the colleges of Cambridge University in Cambridge, England, and of Trinity College in Dublin, Ireland. Also, <B>sizer.</B> </DL>
<A NAME="sizarship">
<B>sizarship, </B>noun.<DL COMPACT><DD> the position, rank, or privileges of a sizar. </DL>
