<B>leaf, </B>noun, pl. <B>leaves,</B> verb.<DL COMPACT><DD><I>noun </I> <B>1a. </B>one of the thin, usually flat, green parts of a tree or other plant, that grows on the stem or grows up from the roots. Leaves are essential organs of most plants and combine carbon dioxide, water, and light to carry on photosynthesis. Some plants are grown primarily for their leaves, such as ornamental trees and shrubs, tobacco and tea plants, or forage grasses. <DD><B> b. </B>all the leaves of a plant or tree; leafage; leaves. <BR> <I>Ex. the fall of the leaf.</I> <DD><B> 2. </B>a petal of a flower. <BR> <I>Ex. a rose leaf.</I> <DD><B> 3. </B>a sheet of paper. Each side of a leaf is called a page. <DD><B> 4. </B>a very thin sheet of metal, especially gold or silver. <DD><B> 5. </B>a flat movable piece in the top of a table. <BR> <I>Ex. We put two extra leaves in the table for the party.</I> <DD><B> 6. </B>the sliding, hinged, or movable part of a door, shutter, gate, or certain windows. <DD><B> 7. </B>one of the strips of a leaf spring. <DD><B> 8. </B>a layer of leaf fat. <DD><I>v.i. </I> <B>1. </B>to put forth leaves. <BR> <I>Ex. The trees along the river leaf earlier than those on the hill.</I> <DD><B> 2. </B>to turn pages. <BR> <I>Ex. to leaf through a book or magazine.</I> <DD><I>v.t. </I> to turn the pages of (a book, magazine, notebook, or other, usually written or printed, matter). <BR><I>expr. <B>in leaf,</B> </I>covered with leaves or foliage. <BR> <I>Ex. a sycamore tree in leaf.</I> <BR><I>expr. <B>take a leaf from</B> (<B>one's book</B>), </I>to follow one's example; copy one's conduct. <BR> <I>Ex. The Third Estate, taking a leaf from the book of the English House of Commons, then declared that it alone represented the nation (H. G. Wells).</I> <BR><I>expr. <B>turn over a new leaf,</B> </I>to start all over again; try to do or be better in the future. <BR> <I>Ex. He promised to turn over a new leaf and study harder.</I> adj. <B>leaflike.</B> </DL>
<B>leaf beetle,</B><DL COMPACT><DD> any one of a large group of small, round, brilliantly colored beetles that feed on the leaves of potatoes and other plants. </DL>
<A NAME="leafblight">
<B>leaf blight,</B><DL COMPACT><DD> a disease caused by various parasitic fungi which attack the leaves of plants and cause them to turn brown and die. </DL>
<A NAME="leafblister">
<B>leaf blister,</B><DL COMPACT><DD> a disease of the oak caused by a fungus and marked by the blistering and curling of its leaves. </DL>
<A NAME="leafbud">
<B>leaf bud,</B><DL COMPACT><DD> a bud producing a stem with leaves only. </DL>
<A NAME="leafbutterfly">
<B>leaf butterfly,</B> <B>=Kallima.</B></DL>
<A NAME="leafcurl">
<B>leaf curl,</B><DL COMPACT><DD><B> 1. </B>a disease of fruit trees in which the leaves become curled. <BR> <I>Ex. Peach leaf curl must be throttled before buds swell (New York Times).</I> <DD><B> 2. </B>early blight. <DD><B> 3. </B>leaf roll of potatoes. </DL>
<B>leaf-cutter ant,</B><DL COMPACT><DD> any one of various, largely tropical, American ants that subsist entirely on small mushrooms which they raise underground on a mulch of cut leaves; umbrella ant; parasol ant. </DL>
<A NAME="leafcutterbee">
<B>leaf-cutter bee,</B><DL COMPACT><DD> any one of a group of bees that cut oval or round disks from leaves, usually of the rose, to use in preparing their nests. </DL>
<B>leaf insect,</B><DL COMPACT><DD> any one of various insects found in Africa, southeastern Asia, northern Australia, and in many islands of the South Pacific, remarkable for their resemblance in color and form to the green leaves on which they feed. </DL>
<A NAME="leaflard">
<B>leaf lard,</B><DL COMPACT><DD> lard of the best quality, made from the fat around the kidneys of a hog. </DL>
<A NAME="leafless">
<B>leafless, </B>adjective.<DL COMPACT><DD> having no leaves. <BR> <I>Ex. the leafless trees of winter.</I> noun <B>leaflessness.</B> </DL>
<A NAME="leaflet">
<B>leaflet, </B>noun, verb, <B>-letted,</B> <B>-letting.</B><DL COMPACT><DD><I>noun </I> <B>1. </B>a small, flat or folded sheet of printed matter, or several sheets folded together; circular. <BR> <I>Ex. advertising leaflets, leaflets containing Sunday-school lessons.</I> (SYN) flier, handbill. <DD><B> 2. </B>a small or young leaf. <BR> <I>Ex. the leaflets of early spring.</I> <DD><B> 3. </B>one of the separate blades or divisions of a compound leaf. <DD><I>v.i. </I> to distribute leaflets. <BR> <I>Ex. They moved out on to the streets leafletting and selling lapel buttons and bumper stickers (Sunday Times).</I> </DL>
<A NAME="leafletbomb">
<B>leaflet bomb,</B><DL COMPACT><DD> a bomb which upon explosion scatters leaflets intended to influence the enemy in some way. </DL>
<A NAME="leafminer">
<B>leaf miner,</B><DL COMPACT><DD> any one of various insects which, in the larval stage, live and feed between the top and bottom surfaces of a leaf. </DL>
<A NAME="leafmold">
<B>leaf mold,</B><DL COMPACT><DD><B> 1. </B>the partially decomposed leaves which form a surface layer in wooded areas. <DD><B> 2. </B>a mold which attacks foliage. </DL>
<A NAME="leafmosaic">
<B>leaf mosaic,</B><DL COMPACT><DD> an arrangement of the leaves on a tree, bush, or vine in which petiole length and position enable each leaf to receive the maximum amount of sunlight. </DL>
<A NAME="leafnosedbat">
<B>leaf-nosed bat,</B><DL COMPACT><DD> any one of a group of tropical bats with a leaflike projection of skin extending upward from the nose. </DL>
<A NAME="leafroll">
<B>leaf roll,</B><DL COMPACT><DD> a stunting disease of potatoes in which the margins of the leaves roll upwards, caused by a virus. </DL>
<A NAME="leafroller">
<B>leaf roller,</B><DL COMPACT><DD> any one of various small moths whose larvae roll up leaves to make nests, as a brown and gold moth that is a common apple pest in the northern United States. </DL>
<A NAME="leafrust">
<B>leaf rust,</B><DL COMPACT><DD><B> 1. </B>a rust fungus that attacks the leaves of various cereal grasses, especially wheat. <DD><B> 2. </B>the plant disease caused by this fungus. </DL>
<A NAME="leafscar">
<B>leaf scar,</B><DL COMPACT><DD> a mark left on a twig where the stem of a fallen leaf was attached. </DL>
<A NAME="leafspot">
<B>leaf spot,</B><DL COMPACT><DD><B> 1. </B>any one of various plant diseases caused by fungi or bacteria which create discolorations on leaves. <DD><B> 2. </B>the blemish on leaf surfaces caused by leaf spot. </DL>
<A NAME="leafspring">
<B>leaf spring,</B><DL COMPACT><DD> a spring, such as one for an automobile, made of layers of curved metal strips. </DL>
<A NAME="leafstalk">
<B>leafstalk, </B>noun.<DL COMPACT><DD> a stalk by which a leaf is attached to a stem; petiole. </DL>
<A NAME="leafworm">
<B>leafworm, </B>noun.<DL COMPACT><DD> a moth caterpillar that feeds on the leaves of plants, especially cotton. </DL>
<A NAME="leafy">
<B>leafy, </B>adjective, <B>leafier,</B> <B>leafiest.</B><DL COMPACT><DD><B> 1. </B>having many leaves; covered with leaves, especially broad leaves. <BR> <I>Ex. the leafy woods.</I> <DD><B> 2. </B>resembling a leaf; laminate. <DD><B> 3. </B>made or consisting of leaves. </DL>
<A NAME="league">
<B>league</B> (1), noun, verb, <B>leagued,</B> <B>leaguing.</B><DL COMPACT><DD><I>noun </I> <B>1. </B>a union of persons, parties, or nations formed to help one another. (SYN) federation, society. <DD><B> 2. </B>the persons, parties, or countries associated in a league; confederacy. <DD><B> 3. </B>an association of sports clubs or teams. <BR> <I>Ex. a baseball league.</I> <DD><B> 4. </B>any covenant or compact; alliance. <BR> <I>Ex. link'd in happy nuptial league (Milton).</I> <DD><I>v.i., v.t. </I> to unite in a league; form a union or join, especially without losing separate identity. <BR> <I>Ex. The two societies of doctors leagued to force improvements in the hospital.</I> (SYN) confederate. <BR><I>expr. <B>in league with,</B> </I>associated by agreement with; having a compact with; allied with. <BR> <I>Ex. Look you, villains, this fellow is in league with you (Charles Kingsley).</I> <BR><I>expr. <B>in one's league,</B> </I>(Informal.) in the same category or class with one. <BR> <I>Ex. [The] quartet is competent, but hardly in his league (Time).</I> <BR><I>expr. <B>out of one's league,</B> </I>(Informal.) not in one's own class or category. <BR> <I>Ex. The amateur musician was out of his league in the professional orchestra. Moon shots and ICBMs are ... clearly out of Canada's scientific and industrial league (Maclean's).</I> </DL>
<A NAME="league">
<B>league</B> (2), noun.<DL COMPACT><DD><B> 1. </B>a measure of distance, usually about 3 geographical miles, 3.452 statute miles, or 4.8280 kilometers. <DD><B> 2. </B>a unit of measure for land, equal to a square league. </DL>
<A NAME="leagueofnations">
<B>League of Nations,</B><DL COMPACT><DD> an organization to promote cooperation among nations and maintain peace. It was formed in 1920, under the terms of the Treaty of Versailles at the end of World War I. It was dissolved on April 18, 1946, and the United Nations assumed some of its functions. </DL>
<A NAME="leagueofwomenvoters">
<B>League of Women Voters,</B><DL COMPACT><DD> a nonpartisan women's political organization founded in 1920. (Abbr:) LWV (no periods). </DL>
<A NAME="leaguer">
<B>leaguer</B> (1), noun.<DL COMPACT><DD> a member of a league. </DL>
<A NAME="leaguer">
<B>leaguer</B> (2), verb, noun.<DL COMPACT><DD> (Archaic.) <DD><I>v.t. </I> to besiege; beleaguer. <BR> <I>Ex. Two mighty hosts a leaguer'd town embrace (Alexander Pope).</I> <DD><I>noun </I> <B>1. </B>a military siege. <DD><B> 2. </B>the camp of a besieging army. </DL>