signalman

From Wiktionary

Pronunciation[change]

Noun[change]

Singular
signalman

Plural
signalmen

A signalman using semaphore for "M"
  1. (countable) A signalman is a person who works on the railway and changes the railway signals.
    The signalman changed the light from red to green to let the train continue.
  2. (countable) A signalman is a sailor who sends signals from the ship.
    The signalman waved his semaphore flags to send a message to the admiral's ship.

Related words[change]