1

a

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

b

**:**a structural member or support

2

a

b

**:**a light structure serving as a guard at the outer edge of a ship's deck

c

**:**a fence bounding a racetrack

plural rail or rails

**:**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

railed; railing; rails

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

railer
noun

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Merriam-Webster unabridged
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