bunker Definition

bunker
noun

1. An obstacle on a golf course consisting of a hollow area containing sand.
2. A large container or cupboard for storing coal.

Form: coal bunker (also)
3. A compartment for storing fuel on board ship.
4. An underground bombproof shelter.

verb bunkered, bunkering

1. golf.
To play (the ball) into a bunker.
tr & intr
2. To fill the bunker of (a ship) with fuel.

Etymology: 18c in sense 2; 16c Scots as bonker, meaning ‘box', ‘chest', or ‘seat'.