rail
/ˈrāl/
noun
a bar extending from one post or support to another and serving as a guard or barrier
a structural member or support
railing
verb
to provide with a railing : fence
noun
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