Definitions of leaf

  1. To shoot out leaves; to produce leaves; to leave; as, the trees leaf in May.
  2. To shoot out or produce leaves:- pa. t. leafing; pa. p. leaded.
  3. look through a book or other written material; " He thumbed through the report"; " She leafed through the volume"
  4. produce leaves, of plants
  5. turn over pages; " leaf through a book"; " leaf a manuscript"
  6. 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; as : ( a) A part of a book or folded sheet containing two pages upon its opposite sides. ( b) A side, division, or part, that slides or is hinged, as of window shutters, folding doors, etc. ( c) The movable side of a table. ( d) A very thin plate; as, gold leaf. ( e) A portion of fat lying in a separate fold or layer. ( f) One of the teeth of a pinion, especially when small.
  7. the main organ of photosynthesis and transpiration in higher plants
  8. hinged or detachable flat section ( as of a table or door)
  9. 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.
  10. 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.
  11. One of the thin flat parts of a plant borne by the stem; a thinly beaten sheet; as, gold leaf used in gilding domes, etc.; something thin and flat, as a single sheet of a book with a page on each side, etc.
  12. One of the thin, flat parts of plants: anything beaten thin like a leaf: two pages of a book: one side of a window- shutter, etc.:- pl. LEAVES, lē vz.
  13. One of the flat breathing- organs of plants; anything like a leaf, double page of a book, half of a double door.
  14. One of the breathing organs of a plant, growing from the stem, and commonly board, flat, thin, and green; also, something resembling this, as a fold of a book, a movable part of a table, or a valve of a door.
  15. An expanded outgrowth of a stem, usually green.
  16. The green deciduous expanded organ of a plant, in which the sap is elaborated by contact with the air and light; a part of a book containing two pages; the side of a window- shutter, folding- door, & c; a something resembling a leaf in thinness and extension; a very thin plate; the moveable side of a table.