in leaf Definition

leaf
noun leaves

1. An expanded outgrowth, usually green and flattened, from the stem of a plant, that contains the pigment chlorophyll and is the main site of photosynthesis in green plants.
2. Anything like a leaf, such as a scale or a petal.
3. Leaves regarded collectively.
4. A single sheet of paper forming two pages in a book.

Thesaurus: sheet, folio, page.
5. A very thin sheet of metal.

Example: gold leaf
6. A hinged or sliding extra part or flap on a table, door, etc.
7. drug-taking slang
Marijuana.

verb

leafed, leafing
1. Said of plants: to produce leaves.

Idiom: in leaf

The condition of having leaves.

Idiom: take a leaf out of someone's book

See under book.

Idiom: turn over a new leaf

To begin a new and better way of behaving or working.
Thesaurus: reform, go straight, mend one's ways, repent.

Etymology: Anglo-Saxon leaf.

Phrasal Verb: leaf through something

To turn the pages of (a book, magazine, etc) quickly and cursorily.