'Guardhouse' definitions:

Definition of 'guardhouse'

(from WordNet)
noun
A military facility that serves as the headquarters for military police and in which military prisoners can be detained

Definition of 'Guardhouse'

From: GCIDE
  • Guardhouse \Guard"house`\, n. (Mil.) A building which is occupied by the guard, and in which soldiers are confined for misconduct; hence, a lock-up. [1913 Webster]

Synonyms of 'guardhouse'

From: Moby Thesaurus