WordNet: hatchway, opening, scuttle

an entrance equipped with a hatch; especially a passageway between decks of a ship

• hypernym entrance, entranceway, entree, entry, entryway

• hyponym escape hatch

hatchway

• (suomi) kansiluukku (synonyymi)

opening

• (englanti) open (derivationally related)
• (suomi) aukko (synonyymi)

scuttle

• (suomi) luukku (synonyymi)