From Longman Dictionary of Contemporary Englishroll-on roll-offˌroll-on ˈroll-off adjective [only before noun] British EnglishTTW a roll-on roll-off ship is one that vehicles can drive straight on and off a roll-on roll-off car ferryFrom Longman Business Dictionaryroll-on roll-offˌroll-on ˈroll-off abbreviation RORO adjective British English roll-on roll-off ferry/ship/vessel etcTRANSPORT a ship that vehicles can drive straight on and off
