WordReference Random House Learner's Dictionary of American English © 2026
ˈrap•id ˈtran•sit, n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Transporta system of public transportation in a metropolitan area, usually a subway or elevated train system.
rap′id tran′sit,
rap′id-tran′sit, adj.
- Transporta system of public transportation in a metropolitan area, usually a subway or elevated train system. Cf. mass transit.
- 1870–75, American.
'rapid transit' also found in these entries (note: many are not synonyms or translations):