bolt-hole

[bohlt-hohl]
noun
  1. a hole in the ground, protected opening in bushes, etc., into which an animal can flee when pursued or frightened.
  2. a place or avenue of escape or refuge: The remote mountain village was a safe bolt-hole for refugees during the war.

Origin of bolt-hole

First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of bolt-hole