bar·rack / ˈbarək/ • v. [tr.] (often be barracked) provide (soldiers) with accommodations in a building or set of buildings: the granary in which the platoons were barracked.bar·rack² • v. [tr.] Brit. & Austral./NZ jeer loudly at (someone performing or speaking in public) in order to express disapproval or to create a distraction: opponents barracked him when he addressed the opening parliamentary session [as n.] (barracking) the disgraceful barracking which came from the mob. ∎  [intr.] (barrack for) Austral./NZ give support and encouragement to: I take it you'll be barracking for Labour tonight?

barrack. Originally a soldier's tent or cabin, it came to mean a building for the lodgement or residence of troops. It is usually given in the plural, as barracks, indicating very large establishments.

barrack1 (usu. in pl.) soldiers' quarters. XVII. — F. baraque — Sp. barraca soldiers' tent, of unkn. orig.

barrack2 shout or jeer at. XIX. alt. of (Austral.) borak sb. banter (Aboriginal word).