What is the meaning of Barrack?

A building for soldiers, especially within a garrison; originally referred to temporary huts, now usually to a permanent structure or set of buildings.

A primitive structure resembling a long shed or barn for (usually temporary) housing or other purposes.

Any very plain, monotonous, or ugly large building.

A (structure with a) movable roof sliding on four posts, to cover hay, straw, etc.

A police station.

To house military personnel; to quarter.

To live in barracks.

To jeer and heckle; to attempt to disconcert by verbal means.

To cheer for or support a team.

Source: wiktionary.org