A sack is a bag, especially a large one for carrying or storing goods.

Sack can also mean, as a verb:

• To terminate employment
• To tackle the quarterback behind the line of scrimmage in American and Canadian football
• To loot

Sack can mean, as a noun:

• Scrotum
• Sack, a Marvel Comics villain
• Sack, an Irish band
• A particularly sweet form of mead
• Sack, a type of white fortified wine
• Bed (furniture) or sleeping bag, as in the phrase 'hitting the sack' (going to bed)
• Selective acknowledgement (SACK), in computer networking
• An obsolete Middle Age measurement of weight in England, equivalent to 26 stone (364 lb)

People with the surname Sack include:

• Brian Sack, an American actor and humorist
• Erna Sack, a German opera singer (soprano)
• John Sack, an American journalist
• Karl Sack, a German jurist and member of the anti-Nazi resistance movement in World War II
• Robert D. Sack, an American judge

See also

• Sad Sack, a comic strip/book character