leaf

US /liːf/
UK /liːf/
"leaf" picture
1.

a flattened green outgrowth from the stem of a herbaceous plant, typically a blade-shaped lamina attached to the stem by a petiole

:
The tree shed its leaves in autumn.
She pressed a dried leaf in her book.
2.

a single sheet of paper, especially in a book

:
Turn to the next leaf of the book.
The old manuscript had many brittle leaves.
1.

turn over a new leaf

:
After his release from prison, he promised to turn over a new leaf.
It's never too late to turn over a new leaf and improve yourself.
1.

to turn over a leaf or leaves of a book or other publication

:
He carefully leafed through the old photo album.
She leafed through the magazine while waiting.