noun / verb

curb

KURB/kˈɝb/

A raised boundary that holds something within limits.

A raised concrete curb separates the sidewalk from the street.

Close view of raised concrete curb separating sidewalk from asphalt street.
Etymology

The connection with bending probably underlies the earlier sense “enclosed framework.” That sense extended to the margins of garden beds and then to the raised stone boundary between sidewalk and road.

In context

TED11:53
had him stand actually slightly in the street, so closer to the suspect vehicle, the shooter vehicle, than the actual teenagers were, so he stood a few feet from the curb toward the middle of the street.
Scott Fraser: The problem with eyewitness testimony

More examples

  • The low curb keeps gravel out of the flower bed.
  • The city places curbs on late-night construction noise.
  • A weekly budget helps us curb unnecessary spending.

Forms

curb · curbs · curbed · curbing

Similar words

edging
Edging borders a surface but need not hold anything back.
barrier
Barrier emphasizes blocking passage rather than marking a raised edge.
restraint
Restraint emphasizes control rather than a physical raised boundary.