floorboard

And with the three lead fragments found on the rear floorboard carpet of the limousine.

You can get a clean round bullet-hole in glass, but not in a floorboard.

Tom jammed the accelerator down to the floorboard and the jet car fairly leaped ahead.

They drew up to it fast, but his foot automatically eased up on the floorboard pedal until the girl spoke sharply.

A little creaking of a floorboard, a vague, misty blur almost at his side, and still Lee saved his fire.