A gap, breach, or aperture:
Any opening with a door in it; doorway
A logic gate.
The definition of an entrance is where you go in someplace, such as a door, or coming into someplace in a memorable way, or an actor coming on stage.
Find another word for hatchways. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for hatchways, like: openings, doors, gates and entrances.