A horizontal door in a floor or ceiling.
A trapdoor.
An opening in a wall at window height for the purpose of serving food or other items. A pass through.
A small door in large mechanical structures and vehicles such as aircraft and spacecraft often provided for access for maintenance.
An opening through the deck of a ship or submarine
A gullet.
A frame or weir in a river, for catching fish.
A floodgate; a sluice gate.
A bedstead.
An opening into, or in search of, a mine.
The act of hatching.
Development; disclosure; discovery.
(poultry) A group of birds that emerged from eggs at a specified time.
(often as mayfly hatch) The phenomenon, lasting 1–2 days, of large clouds of mayflies appearing in one location to mate, having reached maturity.
A birth, the birth records (in the newspaper) — compare the phrase "hatched, matched, and dispatched."
To close with a hatch or hatches.
(of young animals) To emerge from an egg.
(of eggs) To break open when a young animal emerges from it.
To incubate eggs; to cause to hatch.
To devise.
To shade an area of (a drawing, diagram, etc.) with fine parallel lines, or with lines which cross each other (cross-hatch).
To cross; to spot; to stain; to steep.