Entry 2 senses · 2 variants Webster, 1913 Commuter /(kŏm*mū"tẽr)/ · Com·mut·er · IPA /kəˈmjuːtɚ/ n. a. 01 n. One who commutes; especially, one who commutes in traveling. 1. One who commutes; especially, one who commutes in traveling. 02 a. of or pertaining to commuting, in the sense of traveling; used for commuting; as, a commuter airline. 1. of or pertaining to commuting, in the sense of traveling; used for commuting; as, a commuter airline.