A horizontal bar or strip attached to the front or rear of a vehicle, designed to absorb impact in a collision. The car's bumper was dented after the minor accident.
Something unusually large or successful; a plentiful yield. This year's wheat harvest was a bumper.
A glass or cup filled to the brim, especially as a toast. He raised a bumper of wine to toast the newlyweds.
A short audio or video segment used to introduce, conclude, or transition between parts of a broadcast programme. The network ran a quick bumper before cutting to the commercial break.
A cushioned obstacle in a pinball machine that rebounds the ball on impact. The ball hit the bumper and shot toward the top of the playfield.