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Definition of sac noun from the Oxford Advanced Learner's Dictionary

sac

noun
 
/sæk/
 
/sæk/
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  1. 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 air
    Oxford Collocations DictionarySac is used after these nouns:
    • egg
    See full entry
    Word Originmid 18th cent. (as a term in biology): from French sac or Latin saccus ‘sack, bag’.
See sac in the Oxford Advanced American Dictionary

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