Definition of

Sac

  1. (noun, body) a structure resembling a bag in an animal
  2. (noun, person) a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay
  3. (noun, plant) a case or sheath especially a pollen sac or moss capsule
  4. (noun, shape) an enclosed space

via WordNet, Princeton University

Synonyms of Sac

pocket, pouch, sack, sauk, theca

Origin of the word Sac

  1. "biological pocket," 1741, from Fr. sac, from L. saccus "bag" (see sack (n.1)). more

via Online Etymology Dictionary, ©2001 Douglas Harper

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