What is Sack?

Sack definition and meaning on Dictionary terms:

a large bag of strong, coarsely woven material, as for grain, potatoes, or coal.
the amount a sack holds.
a bag: a sack of candy.
Slang. dismissal or discharge, as from a job: to get the sack.
Slang. bed: I bet he’s still in the sack.
Also sacque.

  1. a loose-fitting dress, as a gown with a Watteau back, especially one fashionable in the late 17th century and much of the 18th century.
  2. a loose-fitting coat, jacket, or cape.
Baseball. a base.
South Midland U.S. the udder of a cow.