noun. A hole through which to bolt.

noun. A place affording escape.

noun. A hole in an animal's den, or through a wall or fence, used for escape or emergency exit; i.e. a hole the animal may bolt through.

"I stayed for two days and a night in the bolthole there by the side of the laundry, not 100 yards from where I'd shot Rammstein, and I waited for all the men's rage to get lost in the drugs and then for the men to start killing each other."

berthing  cavitation  control  discontinuation  lable  

blowhole  borehole