noun
rotating warning light; patrol light
Colloquial abbreviation of パトカーランプ. Refers to the rotating or flashing light on police cars, ambulances, and other emergency vehicles. Often used in everyday speech.
wasei-eigo (Japanese-coined English), from pat(rol) lamp
See also: パトカー
パトカーのパトランプが回っている。
The patrol car's warning light is spinning.
夜道でパトランプ
I saw the glow of a rotating warning light on the night road.