Definition, Meaning & Synonyms

leaf

noun

/liːf/

Definition

A leaf is a flattened structure of a higher plant, typically green and attached to a stem, that is involved in photosynthesis, transpiration, and gas exchange.

Examples

The tree’s leaves turned golden in autumn.
She pressed the leaf between the pages of her book.
Some plants have variegated leaves with multiple colors.

Meaning

Leaves are essential for the plant’s ability to produce food and maintain life through the process of photosynthesis, where they convert sunlight into energy.