from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A usually green, flattened, lateral structure attached to a stem and functioning as a principal organ of photosynthesis and transpiration in most plants.
  • n. A leaflike organ or structure.
  • n. Leaves considered as a group; foliage.
  • n. The state or time of having or showing leaves: trees in full leaf.
  • n. The leaves of a plant used or processed for a specific purpose: large supplies of tobacco leaf.
  • n. Any of the sheets of paper bound in a book, each side of which constitutes a page.
  • n. A very thin sheet of material, especially metal.
  • n. Such leaves considered as a group: covered in gold leaf.
  • n. A hinged or removable section for a table top.
  • n. A hinged or otherwise movable section of a folding door, shutter, or gate.
  • n. One of several metal strips forming a leaf spring.
  • intransitive v. To produce leaves; put forth foliage: trees just beginning to leaf.
  • intransitive v. To turn pages, as in searching or browsing: leafed through the catalog.
  • transitive v. To turn through the pages of.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The usually green and flat organ that represents the most prominent feature of most vegetative plants.
  • n. Anything resembling the leaf of a plant.
  • n. A sheet of any substance beaten or rolled until very thin.
  • n. A sheet of a book, magazine, etc (consisting of two pages, one on each face of the leaf).
  • n. Tea leaves.
  • n. A flat section used to extend the size of a table.
  • n. A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement.
  • n. A foliage leaf or any of the many and often considerably different structures it can specialise into.
  • n. In a tree, a node that has no descendants.
  • n. The layer of fat supporting the kidneys of a pig, leaf fat.
  • v. To produce leaves; put forth foliage.

from the GNU version of the Collaborative International Dictionary of English

  • n. A colored, usually green, expansion growing from the side of a stem or rootstock, in which the sap for the use of the plant is elaborated under the influence of light; one of the parts of a plant which collectively constitute its foliage.
  • n. A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril.
  • n. Something which is like a leaf in being wide and thin and having a flat surface, or in being attached to a larger body by one edge or end
  • n. A part of a book or folded sheet containing two pages upon its opposite sides.
  • n. A side, division, or part, that slides or is hinged, as of window shutters, folding doors, etc.
  • n. The movable side of a table.
  • n. A very thin plate.
  • n. A portion of fat lying in a separate fold or layer.
  • n. One of the teeth of a pinion, especially when small.
  • intransitive v. To shoot out leaves; to produce leaves; to leave.

from The Century Dictionary and Cyclopedia

  • To shoot out leaves; produce foliage: as, the trees leaf in May. Also leave.
  • n. An expanded, usually green, organ of a plant, of transient duration, produced laterally from a stem or branch, and, with others, arranged upon the stem in a definite and symmetrical order.
  • n. Anything resembling a leaf, as in being flat and relatively broad, or in being a flexible or movable attachment or addition to something else.
  • n. A separately movable division of a folding or sliding door, fire-screen, table, hinge, etc.
  • n. A very thin sheet of hammered metal; foil: as, gold- leaf.
  • n. A portion of fat lying in a separate fold or layer; especially, the fat about the kidneys of a pig (compare leaf-lard); hence, in local use, the kidney itself.
  • n. A tooth of a pinion, especially when the pinion is small.
  • n. In architecture, an ornament resembling or representing a leaf of a plant; a foliation.
  • n. A flap, as of a hat.
  • n. In tapestry-weaving, one half the threads of the warp. As a preliminary to working a tapestry these leaves are separated, one being brought nearer the workman and the other left in the background.
  • n. In zoology, a leaf-like part or organ. See noseleaf, and compare leaflet, 4.
  • n. A distemper in young lambs caused by feeding on leaves
  • n.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. turn over pages
  • n. hinged or detachable flat section (as of a table or door)
  • n. a sheet of any written or printed material (especially in a manuscript or book)
  • v. look through a book or other written material
  • n. the main organ of photosynthesis and transpiration in higher plants
  • v. produce leaves, of plants


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English, from Old English lēaf.

from Wiktionary, Creative Commons Attribution/Share-Alike License

Middle English leef, from Old English lēaf, from Proto-Germanic *lauban (compare Dutch loof, German Laub), from Proto-Indo-European *leup- 'to peel, break off' (compare Irish luibh 'herb', Latin liber 'bast; book', Lithuanian lúoba 'bark', Albanian labë 'rind').



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