- floorboard⇄floorboard, noun, verb.
- floorboard⇄noun 1. one of the boards of a wooden floor.
2. Usually, floorboards. the floor of an automobile, especially of the driver's compartment.
Ex. Then the green flag fell and 33 big feet pushed 33 throttles to the floorboards (Time). - floorboard⇄v.t. (Informal.) to push (the accelerator) down to the floorboard of an automobile.