dugout

noun7

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   (slang, historical) Someone with old-fashioned or outdated ideas, an old fogey; especially, an elderly soldier brought in for temporary service.

   • Directly war comes, therefore, there is a shift all round, and a new untried man—usually a dug-out in an advanced state of decay—is stuck into the job. — 1916