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Hatch
(redirected from down the hatch)

   Also found in: Dictionary/thesaurus, Legal, Financial, Idioms 0.01 sec.
hatch1
a group of newly hatched animals

hatch2
1. a covering for a hatchway
2. short for hatchway
3. an opening in a wall between a kitchen and a dining area
4. the lower half of a divided door
5. a sluice or sliding gate in a dam, dyke, or weir

hatch [hach]
(engineering)
A door or opening, especially on an airplane, spacecraft, or ship.

hatch
An opening, equipped with an openable cover, in a roof or floor of a building for passage of people or goods from one level to another or for ventilation.

Hatch 

an opening that provides access to the interior of a structure, assembly, or machine. Under normal conditions of use, a hatch is closed; it is opened only to carry out necessary operations.

On a ship, a hatch is an opening in the deck used for loading operations (cargo hatch), communication with below-deck quarters (companion hatch), or admitting air and light below decks (skylight, or porthole). A hatch in an upper deck is usually watertight, its perimeter framed by coamings.

Hatches (portholes) are also installed in the fuselages of air-craft, in spacecraft, in the floors and ceilings of industrial installations, in boilers, and over manholes for access to water, gas, and sewer mains and telephone systems.



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