<B>yellow-back, </B>noun.<DL COMPACT><DD> (Informal.) <DD><B> 1. </B>shilling shocker. <DD><B> 2. </B>(U.S.) a currency note printed on the back in a yellowish color. </DL>
<A NAME="yellowbellied">
<B>yellow-bellied, </B>adjective.<DL COMPACT><DD><B> 1. </B>having a yellow belly or underside. <DD><B> 2. </B>(Slang.) cowardly. </DL>
<A NAME="yellowbelliedflycatcher">
<B>yellow-bellied flycatcher,</B><DL COMPACT><DD> a small flycatcher of eastern North America with yellowish underparts. </DL>
<A NAME="yellowbelliedsapsucker">
<B>yellow-bellied sapsucker,</B><DL COMPACT><DD> a North American woodpecker with a yellowish underside and a red throat and forehead. </DL>
<A NAME="yellowbelly">
<B>yellow-belly, </B>noun, pl. <B>-lies.</B><DL COMPACT><DD> (Slang.) a coward. <BR> <I>Ex. Some of them called me a traitor and a yellow-belly--things like that (Harper's).</I> </DL>
<A NAME="yellowbile">
<B>yellow bile,</B> =choler.</DL>
<A NAME="yellowbilledcuckoo">
<B>yellow-billed cuckoo,</B><DL COMPACT><DD> a North American cuckoo having a partly yellow bill. </DL>
<A NAME="yellowbirch">
<B>yellow birch,</B><DL COMPACT><DD> a North American birch yielding a strong, light-brown wood. </DL>
<A NAME="yellowbird">
<B>yellowbird, </B>noun.<DL COMPACT><DD><B> 1. </B>the goldfinch of America. <DD><B> 2. </B>the yellow warbler of North America. <DD><B> 3. </B>any one of certain other yellow birds such as an oriole of Europe. </DL>
<A NAME="yellowbody">
<B>yellow body,</B> =corpus luteum.</DL>
<A NAME="yellowbrass">
<B>yellow brass,</B><DL COMPACT><DD> a malleable brass containing about 70 per cent copper and 30 per cent zinc, used when strength is not required; high brass. </DL>
<A NAME="yellowbreastedchat">
<B>yellow-breasted chat,</B><DL COMPACT><DD> a large North American warbler with an olive-green back and yellow breast. </DL>
<A NAME="yellowbuckeye">
<B>yellow buckeye,</B><DL COMPACT><DD> a large horse chestnut tree with yellow flowers of the Ohio Valley and Appalachian Mountains. </DL>
<A NAME="yellowcake">
<B>yellow cake,</B><DL COMPACT><DD> a yellow powder obtained by processing uranium ore. </DL>
<A NAME="yellowcard">
<B>yellow card,</B><DL COMPACT><DD> (Soccer.) a card of a yellow color raised by a referee as a warning to a player who has violated a rule. <BR> <I>Ex. Jennings was also shown the yellow card, for kicking the ball away after yet another offside decision (London Times).</I> </DL>
<A NAME="yellowclover">
<B>yellow clover,</B><DL COMPACT><DD> a hop clover with yellow flowers. </DL>
<B>yellow-crowned night heron,</B><DL COMPACT><DD> a gray heron with a black and white head, chiefly of swamps of the southern United States and south to Brazil. </DL>
<A NAME="yellowdaisy">
<B>yellow daisy,</B><DL COMPACT><DD><B> 1. </B><B>=black-eyed Susan.</B> <DD><B> 2. </B>any daisy or daisylike flower with yellow rays, such as anthemis. </DL>
<A NAME="yellowdog">
<B>yellow dog,</B><DL COMPACT><DD> (U.S. Slang.) <DD><B> 1. </B>a worker who does not join or assist a labor union. <DD><B> 2. </B>a despicable or worthless person. </DL>
<A NAME="yellowdogcontract">
<B>yellow-dog contract,</B><DL COMPACT><DD> (U.S.) an agreement between employer and employee that the worker will not join or assist a labor union. The Norris-La Guardia Act of 1932 made such contracts illegal. </DL>
<A NAME="yellowdwarf">
<B>yellow dwarf,</B><DL COMPACT><DD> a virus disease of onion, barley, and soybean plants, which turns leaves yellow and stunts the plants. </DL>
<A NAME="yellowenzyme">
<B>yellow enzyme,</B> =flavoprotein.</DL>
<A NAME="yellowfat">
<B>yellow fat,</B><DL COMPACT><DD> a condition caused by a deficiency of vitamin E in domestic animals. </DL>
<A NAME="yellowfever">
<B>yellow fever,</B><DL COMPACT><DD> a dangerous, infectious disease of warm climates, characterized by chills, high fever, jaundice, and often hemorrhaging; yellow jack. It is caused by a virus transmitted by the bite of a mosquito. Yellow fever was once common in some southern parts of the United States. </DL>
<A NAME="yellowfevermosquito">
<B>yellow-fever mosquito,</B><DL COMPACT><DD> the mosquito that transmits yellow fever and dengue; aedes. </DL>
<A NAME="yellowfin">
<B>yellowfin, </B>noun, or <B>yellow fin tuna,</B><DL COMPACT><DD> a tuna of the Atlantic and Pacific oceans that usually grows 6 feet long and weighs about 300 pounds. </DL>
<A NAME="yellowflag">
<B>yellow flag,</B><DL COMPACT><DD><B> 1. </B>a flag flown by a ship in harbor indicating that the ship is in quarantine because of the presence of an infectious disease aboard; yellow jack; quarantine flag. <DD><B> 2. </B><B>=yellow iris.</B> </DL>
<A NAME="yellowgentian">
<B>yellow gentian,</B><DL COMPACT><DD> a tall gentian of southern and central Europe whose yellowish-brown, bitter root is used as a tonic and as bitters. </DL>
<A NAME="yellowgold">
<B>yellow gold,</B><DL COMPACT><DD> an orange-yellow alloy of gold containing about nine parts gold to one part copper, used in jewelry. </DL>
<A NAME="yellowgreenalgae">
yellow-green algae, =green algae.</DL>
<A NAME="yellowgum">
<B>yellow gum,</B> =eucalyptus.</DL>
<A NAME="yellowhammer">
<B>yellowhammer, </B>noun,<DL COMPACT><DD><B> 1. </B>a European bunting with a bright-yellow head, throat, and breast. <DD><B> 2. </B>(U.S.) the yellow-shafted flicker. </DL>
<A NAME="yellowhammerstate">
<B>Yellowhammer State,</B><DL COMPACT><DD> nickname for Alabama. </DL>
<A NAME="yellowheadedblackbird">
<B>yellow-headed blackbird,</B><DL COMPACT><DD> a blackbird of western North America, the male of which has a yellow head and breast. </DL>
<A NAME="yellowiris">
<B>yellow iris,</B><DL COMPACT><DD> a tall iris with bright yellow flowers, of Europe, North America, and northern Africa. </DL>
<B>yellow jack,</B><DL COMPACT><DD><B> 1. </B><B>=yellow fever.</B> <DD><B> 2. </B><B>=yellow flag.</B> <DD><B> 3. </B>a fish of the West Indies and Florida, related to the pompano. </DL>
<A NAME="yellowjacket">
<B>yellow jacket,</B><DL COMPACT><DD><B> 1. </B>a small wasp marked with bright yellow. <DD><B> 2. </B>(Slang.) a capsule of pentobarbital sodium (a sedative and hypnotic). </DL>
<A NAME="yellowjasmine">
<B>yellow jasmine</B> or <B>jessamine,</B><DL COMPACT><DD> a twining shrub of the southern United States having fragrant, yellow flowers; gelsemium. It is the floral emblem of South Carolina. </DL>
<A NAME="yellowleadore">
<B>yellow lead ore,</B> =wulfenite.</DL>
<A NAME="yellowlegs">
<B>yellowlegs, </B>noun.<DL COMPACT><DD> either of two American shore birds with yellow legs, having a gray back marked with white and a white breast streaked with gray. </DL>
<A NAME="yellowlight">
<B>yellow light,</B><DL COMPACT><DD> a signal cautioning traffic to slow down, usually preceding a red light. </DL>
<A NAME="yellowloosestrife">
<B>yellow loosestrife,</B><DL COMPACT><DD> a common loosestrife bearing clusters (racemes) of yellow flowers. </DL>
<A NAME="yellowmetal">
<B>yellow metal,</B><DL COMPACT><DD><B> 1. </B>gold. <DD><B> 2. </B>a yellowish alloy containing copper (about 60 per cent) and zinc (about 40 per cent). </DL>
<A NAME="yellownewtown">
Yellow Newtown, =Albemarle pippin.</DL>
<A NAME="yellowocher">
<B>yellow ocher,</B><DL COMPACT><DD> a yellow variety of limonite mixed with clay, used as a pigment. </DL>
<A NAME="yellowpages">
<B>yellow pages</B> or <B>Yellow Pages,</B><DL COMPACT><DD><B> 1. </B>a telephone directory or a section of it, printed on pages of a yellow color, in which the names are classified according to types of business, services, and professions. <DD><B> 2. </B>(Figurative:) <BR> <I>Ex. A "Yellow Pages" of technology ... (Science News).</I> </DL>
<A NAME="yellowperch">
<B>yellow perch,</B><DL COMPACT><DD> a North American perch having a golden yellow color and sides marked with several dark bars; ringed perch. It grows from 5 to 12 inches, weighing up to 4 pounds, and is much valued as a food and sport fish. </DL>
<A NAME="yellowperil">
<B>yellow peril,</B><DL COMPACT><DD> the alleged danger to the rest of the world, especially to Europe and America, from the growth and activities of Japan or China (used in an unfriendly way). </DL>
<A NAME="yellowpine">
<B>yellow pine,</B><DL COMPACT><DD><B> 1. </B>any one of various American pines with yellow or yellowish wood. <DD><B> 2. </B>the wood of any of these trees. <DD><B> 3. </B><B>=tulip tree.</B> </DL>
<A NAME="yellowpoplar">
<B>yellow poplar,</B> =tulip tree.</DL>
<A NAME="yellowpuccoon">
<B>yellow puccoon,</B> =goldenseal.</DL>
<A NAME="yellowrace">
<B>yellow race,</B><DL COMPACT><DD> the Mongolian race (often used in an unfriendly way). </DL>
<A NAME="yellowrail">
<B>yellow rail,</B><DL COMPACT><DD> a small, rare, yellowish rail of North America. </DL>
<A NAME="yellowrain">
<B>yellow rain,</B><DL COMPACT><DD> lethal chemicals dropped from the air in chemical warfare. <BR> <I>Ex. The new samples of yellow rain turn out to contain four fungus-made toxins [that] cause itching, vomiting of blood and death within an hour (New York Times).</I> </DL>
<A NAME="yellowroot">
<B>yellowroot, </B>noun. =goldenseal.</DL>
<A NAME="yellows">
<B>yellows, </B>noun pl.<DL COMPACT><DD> (often singular in use). <DD><B> 1. </B>(Botany.) any one of various unrelated diseases of plants in which the foliage turns yellow and growth is checked, as in peaches and cabbages. <DD><B> 2. </B>jaundice, especially of horses and cattle. <DD><B> 3. </B>(Obsolete.) jealousy. </DL>
<A NAME="yellowsapphire">
<B>yellow sapphire,</B> =topaz.</DL>
<A NAME="yellowshaftedflicker">
<B>yellow-shafted flicker,</B><DL COMPACT><DD> a woodpecker of North America with yellow shafts in its wing and tail feathers; flicker; yellowhammer. </DL>
<A NAME="yellowsponge">
<B>yellow sponge,</B><DL COMPACT><DD> a yellowish commercial sponge found especially in the warm waters off Florida, Cuba, and Haiti. </DL>
<A NAME="yellowspot">
<B>yellow spot,</B><DL COMPACT><DD> a yellowish depression on the retina, the region of most distinct vision. </DL>