—leaf /liːf/
noun [C] (PLURAL leaves) (PAPER)
► F0 a thin sheet of paperSee picture: leaf of a book 
Thesaurus+: ↑Paper
noun [C] (PLURAL leaves) (PLANT)
B1 one of the flat, usually green parts of a plant that are joined at one end to the stem or branch:
» a palm leaf» autumn leaves» He was sweeping up leaves in his garden.See picture: leaf of a tree Thesaurus+: ↑Parts of plantsbe in leaf/come into leaf
F0 When a plant is in leaf or when it comes into leaf, it has or gets leaves on it:
» The trees are in leaf early this year.» The bushes are just coming into leaf.Thesaurus+: ↑Parts of plants• • •
Extra Examples:» The leaves on the trees have started to turn a rich coppery colour.» Rubbing a dock leaf on nettle stings helps to relieve the pain.» Notice that the leaf of this plant has ragged edges.» Emily scraped away the dead leaves to reveal the tiny shoot of a new plant.» The bush looked badly diseased, with black marks on all the leaves.noun [C] (PLURAL leaves) (TABLE)
► F0 an extra part of a table that can be folded away when not being usedSee picture: leaf of a table Thesaurus+: ↑Tables and desks