plural of signum

(US, Australia) Any of the large metal boxes containing traffic signal controls, found at roadsides and intersections, and often made available by the local council for artistic work.

(US) A board carrying a sign, or on which signs may be posted.

plural of traffic signal box

plural of signaler

(US, Canada) simple past tense and past participle of signal

One who signals. / A device that sends a signal.

(British spelling) One who signals. / (rail transport) synonym of signalman

(American spelling) present participle of signal

(American spelling, usually biochemistry) The sending of a biochemical or other type of signal.