sac has definitions from the fields of anatomy,zoology,botany
1
[ noun ] (botany) a case or sheath especially a pollen sac or moss capsule

Synonyms

theca

Related terms

covering

2
[ noun ] an enclosed space

Synonyms

pocket sack pouch

Examples

"the trapped miners found a pocket of air"

Related terms

cavity

3
[ noun ] a member of the Algonquian people living in Wisconsin the Fox River valley and the shores of Green Bay

Synonyms

Sauk

Related terms

Algonquian black_hawk keokuk

4
[ noun ] (anatomy,zoology) a structure resembling a bag in an animal
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