Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sac”

sac

noun [C] uk   /sæk/ us  

sac noun [C] (bag of liquid)

specialized biology a part of a plant or animal that is like a bag and often contains liquid

sac noun [C] (swollen area)

specialized medical a type of abscess (= swollen area containing a thick yellow liquid) under the skin

sac noun [C] (tumour)

specialized medical a covering that surrounds a tumour
(Definition of sac from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of sac?
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:

Add Cambridge dictionaries to your browser to your website

More meanings of “sac”

Definitions of “sac” in other dictionaries

Word of the Day

shadow

an area of darkness, caused by light being blocked by something

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More