A Sack

1. A bag; especially a large bag of strong, coarse material for storage and handling of various commodities, such as potatoes, coal, coffee; or, a bag with handles used at a supermarket, a grocery sack; or, a small bag for small items, a satchel.
2. The amount a sack holds; also, an archaic or historical measure of varying capacity, depending on commodity type and according to local usage; an old English measure of weight, usually of wool, equal to 13 stone (182 pounds), or in other sources, 26 stone (364 pounds).
3. (uncountable) The plunder and pillaging of a captured town or city.
4. (uncountable) Loot or booty obtained by pillage.
5. (American football) A successful tackle of the quarterback behind the line of scrimmage. See verb sense4 below.
6. (baseball) One of the square bases anchored at first base, second base, or third base.
7. (informal) Dismissal from employment, or discharge from a position, usually as give (someone) the sack or get the sack. See verb sense5 below.
8. (colloquial, US) Bed; usually as hit the sack or in the sack. See also sack out.
9. (dated) (also sacque) A kind of loose-fitting gown or dress with sleeves which hangs from the shoulders, such as a gown with a Watteau back or sack-back, fashionable in the late 17th to 18th century; or, formerly, a loose-fitting hip-length jacket, cloak or cape.
10. (dated) A sack coat; a kind of coat worn by men, and extending from top to bottom without a cross seam.
11. (vulgar, slang) The scrotum.

(bag): bag, tote, poke (obsolete)

(booty obtained by pillage): booty

(informal: dismissal from employment): the axe, pink slip, the boot, the chop, the elbow, one's cards, the old heave-ho

(colloquial: bed): hay, rack

(vulgar slang: scrotum): scrotum