plural of signal lad

(rail transport, UK) A young man employed in a signalbox to record the times of trains as they pass through the area served by the signalbox.

plural of signal fire

A fire lit to convey a message or serve as a beacon, by either light or smoke.

(rail transport, UK) A small explosive charge (detonator) which can be placed on a railway line in fog, to be detonated by a train passing over it as a warning signal to the driver.

simple past tense and past participle of virtue signal

(intransitive) To practice virtue signalling.

Alternative form of virtue signalling

Alternative form of virtue signalling

simple past tense and past participle of virtue signal