speed trap
noun
a section of a road where hidden police, radar, etc., carefully check the speed of motorists and strictly enforce traffic regulations: sometimes characterized by hard-to-see signals, hidden traffic signs, etc.
Origin of speed trap
First recorded in 1920–25
Words nearby speed trap
speed of light,
speed ramp,
speed shop,
speed skate,
speed skating,
speed trap,
speed up,
speed walking,
speed-dial,
speed-read,
speed-up
British Dictionary definitions for speed trap
speed trap
noun
a section of road on which the police check the speed of vehicles, often using radar