sac
noun /sæk/
/sæk/
- a part inside the body of a person, an animal or a plant, that is like a bag in shape, has thin skin around it, and contains liquid or airOxford Collocations DictionarySac is used after these nouns:
- egg
Word Originmid 18th cent. (as a term in biology): from French sac or Latin saccus ‘sack, bag’.