blowhole [blowholes](vent for the escape of steam or other gas) noun [UK: ˈbləʊ.həʊl] [US: ˈbloʊhoʊl] outlet [outlets](vent) noun [UK: ˈaʊt.let] [US: ˈaʊˌt.let] vent [vents](an opening through which gases, especially air, can pass) noun [UK: vent] [US: ˈvent] |