1) motor spirit 2) motor gasoline 3) mogas a fuel for internal combustion engines with spark ignition comprising refinery products within the gasoline range to be marketed as motor gasoline without further processing (blending excepted) GRM: n. (1,2,3) REG: British English (1), American English (2) USG: abbreviated form of motor gasoline (3) References: SEEpetrol SEEgasoline SEEgas