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
(..) How many centuries has it been since dragons roamed the skies? But I dreamt that if I carried those eggs into a great fire, they would hatch. When I stepped into the fire, my own people thought I was mad. But when the fire burned out, I was unhurt, (..)2012 TvShow: Game of Thrones Title: The Old Gods and the New Season: 2 Episode 6