Meaning & use
Sac
Last updated
A pouch-like structure in a plant or animal that holds fluid, air, or other substances.
See it in a sentence
The spider injects venom through a sac located near its fangs.
The amniotic sac protects the fetus with a cushion of fluid throughout pregnancy.
A note on using this word
Not to be confused with 'sack'; 'sac' is the standard spelling in biological and medical contexts.
Words with a similar meaning
pouchsack
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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