floorboard
nounUK /ˈflɔː.bɔːd/
US /ˈflɔːr.bɔːrd/
A long flat piece of wood that makes up part of a floor.
The old floorboard creaked when she stepped on it.
OTHER MEANINGS
2. A board forming part of the floor of a vehicle such as a car or truck.
He lifted the floorboard to check the spare tire.
3. A wooden board used as the base of a bed frame.
The mattress rested on a simple floorboard.
4. The wooden floor of a stage or platform.
The dancers tapped their feet on the hollow floorboard.