radar trap 
noun
An area of road in which radar is used by the police to detect vehicles exceeding a speed limit.A recent radar trap in our area caught someone who was driving at 104 mph in a 60 mile limit....
- An oncoming car flashing its headlights means one of two things only - either ‘After you’ at an intersection, or ‘Watch out, the coppers have a radar trap down the road!’
- I came over the brow of a hill to find six motorbike police leaning on the garden wall and picking off their victims for passing through a radar trap.
- corrigibility
- corrigible
- corrival
- corroborant
- corroborate
- corroboration
- corroborative
- corroborator
- corroboratory
- corroboree
- corrode
- corrodible
- corrody
- corrosion
- corrosive
- corrosively
- corrosiveness
- corrosive sublimate
- corrugate
- corrugated
- corrugated iron
- corrugated paper
- corrugation
- corrupt
- corrupter