Sac

n.	1.	(Ethnol.) See Sacs.
	1.	(O.Eng. Law) The privilege formerly enjoyed by the lord of a manor, of holding courts, trying causes, and imposing fines.
	1.	See 2d Sack.
	2.	(Biol.) A cavity, bag, or receptacle, usually containing fluid, and either closed, or opening into another cavity to the exterior; a sack.

Noun	1.	sac - an enclosed space; "the trapped miners found a pocket of air" Synonyms: pocket, pouch, sack
	2.	sac - a case or sheath especially a pollen sac or moss capsule Synonyms: theca
	3.	Sac - a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay Synonyms: Sauk
	4.	sac - a structure resembling a bag in an animal

SAC - 1. An early system on the Datatron 200 series. [Listed in CACM 2(5):16 (May 1959)].

Strict Avalanche Criterion (cryptography)ANAC, ARF, ATC, ATS, Air Command, Air Transport Command, Air Transport Service, Airborne Reconnaissance Force, Army-Navy Air Corps, Bomber Command, CASU, Coastal Command, FEAF, Fleet Air Arm, MATS, NAD, NATS, Naval Air Division, Navy Air, RAAF, RAF, RCAF, Royal Air Force, Strategic Air Command, US Air Force, USAAF, USAF, USNAS, air force