The meaning of PORTION is an individual's part or share of something. How to use portion in a sentence. Synonym Discussion of Portion.

PORTION definition: a part of any whole, either separated from or integrated with it. See examples of portion used in a sentence.

A portion is the amount of food that is given to one person at a meal. Desserts can be substituted by a portion of fresh fruit. The portions were generous. ...fish and chips at about £2.70 a portion.

PORTION definition: 1. a part or share of something larger: 2. the amount of a particular food that is served to one…. Learn more.

1. a part of a whole, either separated from or integrated with it; segment. 2. an amount of food served to one person; serving; helping. 3. the part of a whole allotted or belonging to a person …

to divide into or distribute in portions or shares: [~ + out + object] Portion out the rest of this food among yourselves. [~ + object + out] Portion it out among yourselves.

Dec 14, 2025 · Relatively formal, compared to the more informal part or more concrete and casual piece. For example, part of the money (both informal) but portion of the proceeds (both formal).