escape valve n a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level Synonym(s) safety valve relief valve escape cock escape
News & Articles escape valve 'Lawyers ride,' a two-decade tradition in Portland, puts legal eagles to a physical test As its name implies, a lot of the participants are downtown attorneys looking for an escape valve and camaraderie as well as a way to stay in shape. Aug. 28, 2013 - The Oregonian