hatchˈback noun

(a car with) a sloping rear door which opens upwards

hatch beams plural noun

Timber balks across a hatch on which the hatch covering planks rest

hatch boat noun

A kind of half-decked fishing-boat

hatch coamings same as coamings (see coaming).

hatchˈway noun

An opening with a hinged or sliding door in a deck, floor, wall or roof

down the hatch (informal)

Said when about to drink something, esp alcohol, meaning ‘your health’, ‘cheers’

under hatches

1. Below deck, esp in confinement
2. Hidden, out of sight
3. In servitude or a depressed state
4. Dead