Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “leaf”

leaf

noun [C] (PLANT)   /lif/ (plural leaves  /livz/)
any of the flat , usually green parts of a plant that are joined at one end to the stem or branch : By early November it’s getting cold and the trees are starting to lose their leaves.
(Definition of leaf noun (PLANT) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of leaf

Browse related topics

You are looking at an entry to do with Parts of plants, but you might be interested in these topics from the Plant anatomy topic area:

Definitions of “leaf” in other dictionaries

Word of the Day

amicable

relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More