D defs.my
Entry 1 sense Webster, 1913

Guardhouse

· Guard·house · IPA /ˈɡɑɹdˌhaʊs/
01 n. A building which is occupied by the guard, and in which soldiers are confined for misconduct; hence, a lock-up.
  1. 1.
    A building which is occupied by the guard, and in which soldiers are confined for misconduct; hence, a lock-up.(Mil.)