dugout

1. A canoe made from a hollowed-out log.
2. Someone with old-fashioned or outdated ideas, an old fogey; especially, an elderly soldier brought in for temporary service. (slang)
3. A small portable case for equipment used to smoke marijuana. (slang)
4. A pit used to catch and store rainwater or runoff.
5. A rough dwelling consisting of an excavation in the ground, typically roofed with turf or basic sheeting.
6. Hence, a shelter used in trench warfare, used for simple accommodation out of enemy fire.
7. A sunken shelter at the side of a sports field where non-playing team members and staff can sit during a game.

Plural dugouts