Definition of "commuter"

One who commutes (etymology 1).  examples

(transport) A person who regularly travels between two places.

1. (US, UK, Canada) To and from work and home.  examples

2. (Philippines) Using public transport.  examples

(transport) Normally a short form of commuter rail, commuter train or commuter bus; A transport system or a vehicle in such systems used to transport commuters (#2)  examples