a hatch used for emergency escape, as from a submarine or aircraft.
a means of avoiding a troublesome situation; a ready or handy way out.
Origin of escape hatch
First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for escape hatch
a means of escape in an emergency, esp from a submarine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012