Noun

• S: (n) pouch, sac, sack, pocket (an enclosed space) "the trapped miners found a pocket of air"
• S: (n) theca, sac (a case or sheath especially a pollen sac or moss capsule)
• S: (n) Sauk, Sac (a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay)
• S: (n) sac (a structure resembling a bag in an animal)