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.
2. A frame or weir in a river, for catching fish.
3. A flood gate; a a sluice gate. Ainsworth.
4. A bedstead. [Scot.] Sir W. Scott.
5. An opening in the deck of a vessel or floor of a warehouse which serves as a passageway or hoistway; a hatchway; also; a cover or door, or one of the covers used in closing such an opening.
6. (Mining)
Defn: An opening into, or in search of, a mine. Booby hatch, Buttery hatch, Companion hatch, etc. See under Booby, Buttery, etc. — To batten down the hatches (Naut.), to lay tarpaulins over them, and secure them with battens. — To be under hatches, to be confined below in a vessel; to be under arrest, or in slavery, distress, etc.
HATCH
Hatch, v. t.
Defn: To close with a hatch or hatches.
'T were not amiss to keep our door hatched. Shak
HATCH-BOAT
Hatch"-boat`, n. (Naut.)