commuter rail

: a person who commutes (as between a suburb and a city)

: a small airline that carries passengers relatively short distances on a regular schedule

: a bar extending from one post or support to another and serving as a guard or barrier

: a structural member or support

: railing

: to provide with a railing : fence

: any of numerous wading birds (family Rallidae, the rail family) that are of small or medium size and have short rounded wings, a short tail, and usually very long toes which enable them to run on the soft mud of marshes

: to revile or scold in harsh, insolent, or abusive language