guardroom

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++guard·room /ˈɡɑːd-rʊm, -ruːm $ ˈɡɑːrd-/ noun [countable]  TBa room for soldiers who are guarding a military camp 卫兵室，警卫室

Examples from the Corpus

guardroom• Under the vaulted ground floor was a guardroom and small prison.• The officers' quarters in the guardroom contained a large board labelled with the names of different areas.• At 1.15am, as they slept, Hobbins allegedly crept into the guardroom and took the rifle.• When he reached the guardroom he stopped and turned round for one last look at the parade ground.• As a final gesture they came upon the guardroom.

guard·room nounChineseSyllable  

guarding a are military a soldiers room Corpus who for camp

guardroom
guard‧room /ˈɡɑːd-rʊm, -ruːm $ ˈɡɑːrd-/ noun [countable]
a room for soldiers who are guarding a military camp

guard·roomBrE /ˈɡɑːdruːm/ 🔊NAmE /ˈɡɑːrdruːm/ 🔊BrE /ˈɡɑːdrʊm/ 🔊NAmE /ˈɡɑːrdrʊm/ 🔊 nouna room for soldiers who are guarding the entrance to a building or for keeping military prisoners in 卫兵室；禁闭室