He squeezed into/through the 'hatch' and crawled below deck.
They 'hatched' a plot to overthrow the government.
a whiskey that goes 'down the hatch' smoothly
(..) Lecter, put your hands on your head. One in the leg. No movement. Johnny, hold your fire. We're coming into the car. We're opening the hatch. Watch his hands. If there's any fire, it'll come from us. - Affirm. - Got it. Memphis General, medical unit . (..)1991 The Silence of the Lambs