Definition

/sæk/

noun

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.
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).
“The American sack of salt is 215 pounds; the sack of wheat, two bushels. — McElrath.”
The plunder and pillaging of a captured town or city.
“The sack of Rome.”
Loot or booty obtained by pillage.
A successful tackle of the quarterback behind the line of scrimmage. See verb sense4 below.

verb

To put in a sack or sacks.
“Help me sack the groceries.”
To bear or carry in a sack upon the back or the shoulders.
To plunder or pillage, especially after capture; to obtain spoils of war from.
“The barbarians sacked Rome.”
To tackle the quarterback behind the line of scrimmage, especially before he is able to throw a pass.
To discharge from a job or position; to fire.
“He was sacked last September.”