- (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.) 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.
- (v.i.) To shoot out leaves; to produce leaves; to leave; as, the trees leaf in May.
- (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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). leaf. Retrieved September 20, 2026, from http://smartdefine.org/leaf/definitions/2027043 |
| Chicago | Webster's. 2011. "leaf" http://smartdefine.org/leaf/definitions/2027043 (accessed September 20, 2026). |
| Harvard | Webster's 2011, leaf, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/leaf/definitions/2027043>. |
| MLA | Webster's. "leaf" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/leaf/definitions/2027043> |