1. a place where someone can escape to or hide, especially in times of trouble
Usage: informal
2. a hole through which a bolt passes
Usage: technical

Examples

• The cabin in the mountains served as their bolthole during the crisis.
• She kept a small apartment in the city as a bolthole when work became overwhelming.
• The celebrity used the remote island as a bolthole to escape media attention.
• When the scandal broke, he retreated to his country bolthole.
• The mechanic drilled a precise bolthole in the metal plate.
• Each bolthole must be aligned perfectly for the assembly to work.