1. leaf - Noun
2. leaf - Verb
3. Leaf - Proper noun
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.
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.
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.
To shoot out leaves; to produce leaves; to leave; as, the trees leaf in May.
Source: Webster's dictionaryAutumn is a second spring where every leaf is a flower. Albert Camus
Let your life lightly dance on the edges of Time like dew on the tip of a leaf. Rabindranath Tagore
I turn over a new leaf every day," I said. "But the blots show through. Keith Waterhouse
The eye of the leopard is on the goat, and the eye of the goat is on the leaf. Ethiopian Proverb
The rattan basket criticizes the palm leaf basket, still both are full of holes. Filipino Proverb
If you sleep under a tree, you can't prevent the leaf from falling on you. Haitian Proverb