Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “portion”


noun [C]    /ˈpɔr·ʃən, ˈpoʊr-/
a part or share of something larger: She read large portions of the manuscript and offered many useful suggestions. A portion of my paycheck was withheld for taxes. A portion is also the amount of food served to or suitable for a person: They serve children’s portions at half-price.
(Definition of portion noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of portion

Browse related topics

You are looking at an entry to do with Words meaning parts of things, but you might be interested in these topics from the Including and excluding topic area:

Definitions of “portion” in other dictionaries

Word of the Day


the skill with which something was made or done

Word of the Day


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