hatch2 noun [countableC] 1 TTATTWa hole in a ship or aircraft, usually used for loading goods, or the door that covers it 〔船、飞机上的〕舱口;舱门escape hatch (=a hole in an aircraft etc through which you can escape) 逃逸舱口,应急离机口
2. (also hatchway)DHHTBB a small hole in the wall, floor, or ceiling of a room, or the door that covers it 〔墙、地板上的〕开口;活板门 3. down the hatch spoken informal something you say before drinking an alcoholic drink quickly 干杯down the hatch• After all, up the lads and down the hatch.• The chain has battened down the hatches in the face of the storms.• Nirvana Inc battened down the hatches and made to ride out the storm.