Hatch, n. [OE. hacche, AS. hÊc, cf. haca the bar of a door, D. hek
gate, Sw. h‰ck coop, rack, Dan. hekke manger, rack. Prob. akin to E.
hook, and first used of something made of pieces fastened together. Cf.
Heck, Hack a frame.] 1. A door with an opening over it; a half door,
sometimes set with spikes on the upper edge.
In at the window, or else o'er the hatch.
Shak.