'Commuter' definitions:

Definition of 'commuter'

(from WordNet)
noun
A passenger train that is ridden primarily by passengers who travel regularly from one place to another [syn: commuter, commuter train]
noun
Someone who travels regularly from home in a suburb to work in a city

Definition of 'Commuter'

From: GCIDE
  • Commuter \Com*mut"er\ (k[o^]m*m[=u]"t[~e]r), n. One who commutes; especially, one who commutes in traveling. [1913 Webster]

Definition of 'Commuter'

From: GCIDE
  • Commuter \Com*mut"er\ (k[o^]m*m[=u]"t[~e]r), a. of or pertaining to commuting, in the sense of traveling; used for commuting; as, a commuter airline. [PJC]