2. (noun)theca, sac a case or sheath especially a pollen sac or moss capsule Synonyms: sac, pocket, theca, pouch, sack
3. (noun)Sauk, Sac a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay Synonyms: sack, pocket, theca, pouch
4. (noun)sac a structure resembling a bag in an animal Synonyms: sack, pocket, theca, pouch