headboard
Concise Oxford English Dictionary © 2008 Oxford University Press:
headboard/ˈhedbɔːd/
▶noun
- 1 an upright panel at the head of a bed.
- 2 a board or sign, especially on the front of a train.
- 3 Sailing a reinforcement at the top of a triangular sail such as a mainsail.
'headboard' also found in these Oxford entries:

