bump

A bump is a small impact between two things.

Example: I felt a slight bump as the plane touched the landing strip.

A bump is a sound that might be made when two things hit each other.

Example: I looked up when I heard the bump of a car as it drove into another one parked outside my house.

A bump is a small lump or swelling on something that is smooth.

Example: Try to drive round the big bump in the road.

A bump is a small lump or swelling on the skin or anywhere else on your body.

Example: I rubbed the small bump on my nose, and wondered if it was going to get any bigger.

If something bumps, it knocks gently against something else, usually making a small noise.

Example: I could hear the open door bumping in the breeze.