Kerb/kɜːrb/ Definition 1 of 2Pro Tip 1/3Location Specific Primarily used in the UK, so be mindful if speaking with an international audience. Mind the kerb when you're stepping onto the pavement. Pro Tip 2/3Physical Boundary Kerb refers to the physical edge between a road and a sidewalk, often raised. The cyclist rode along the kerb, avoiding pedestrians. Pro Tip 3/3Parking Reference Drivers use the kerb as a guide for parking correctly on the street. She was careful not to hit the kerb while parallel parking.