A frame or weir in a river, for catching fish.

A flood gate; a a sluice gate.

The act of hatching.

A door with an opening over it; a half door, sometimes set
with spikes on the upper edge.

Development; disclosure; discovery.

To produce young; – said of eggs; to come forth from the
egg; – said of the young of birds, fishes, insects, etc.

To produce, as young, from an egg or eggs by incubation,
or by artificial heat; to produce young from (eggs); as, the young when
hatched.

To cross with lines in a peculiar manner in drawing and
engraving. See Hatching.

To contrive or plot; to form by meditation, and bring
into being; to originate and produce; to concoct; as, to hatch
mischief; to hatch heresy.

The chickens produced at once or by one incubation; a brood.