noun
A horizontal door in a floor or ceiling.
Moving the wardrobe revealed a previously hidden hatch in the ground.
A trapdoor.
An opening in a wall at window height for the purpose of serving food or other items. A pass through.
The cook passed the dishes through the serving hatch.
A service hatch with sliding shutter is situated at the end of the kitchen next to the dining compartment.
A small door in large mechanical structures and vehicles such as aircraft and spacecraft often provided for access for maintenance.
A surprising number of incidents is due to roof hatches being left loose or in the raised position when locomotives return to service after maintenance. On one occasion, a 25kV overhead line was damaged by an open hatch.
An opening through the deck of a ship or submarine
verb
To close with a hatch or hatches.
'Twere not amiss to keep our door hatched.
verb
To emerge from an egg.
These three chicks hatched yesterday morning.
To break open when a young animal emerges from it.
She was delighted when she heard the crackling sound of the eggs hatching.
To incubate eggs; to cause to hatch.
I'm hatching this mysterious egg I found in the forest.
To devise (a plot or scheme).
World domination was only one of the evil schemes he had hatched over the years.
As for Cersei, pretending to work with her enemies while secretly hatching some grander scheme was pretty much what I expected for the truce going into it.