curb cut

Etymology
Compound of. Attested since the 1920s in the “vehicle access” sense.

Noun

 * 1)  A small ramp cut into a curb to allow wheelchairs, baby carriages, bicycles, etc. to more easily enter or leave a sidewalk.
 * 2) A lowered area of curb to allow vehicles to access driveways or approaches, a drop kerb.
 * 1) A lowered area of curb to allow vehicles to access driveways or approaches, a drop kerb.

Synonyms

 * curb ramp
 * dropped kerb
 * kerb ramp, pram ramp