- a specially designed room in which valuables are locked for safety
WordReference Random House Unabridged Dictionary of American English © 2026
strong•room
(strông′ro̅o̅m′, -rŏŏm′, strong′-),USA pronunciation n.
- a fireproof, burglarproof room in which valuables are kept. Also, strong′ room′.
- strong + room 1755–65
Collins Concise English Dictionary © HarperCollins Publishers::
strongroom /ˈstrɒŋˌruːm; -ˌrʊm/ n
'strongroom' also found in these entries (note: many are not synonyms or translations):