hatch

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hatch

1
a group of newly hatched animals

hatch

2
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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Hatch

Opening in a floor or roof with a removable cover.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

hatch

[hach]
(engineering)
A door or opening, especially on an airplane, spacecraft, or ship.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
And in those' circumstances the church has to decide whether it can best respond by being more decentralized, by allowing more free discussion within the church, or by battening down the hatches because there's a storm coming."
battened down the hatches to await the arrival of a killer tsunami.
IT looks like it's time to a grab a brolly or perhaps batten down the hatches, with Ireland set to be battered by wind and rain.
We'd have been saying, "we got away with it but need to batten down the hatches again".
BATTEN down the hatches! The snowy and cold spell is set to end - in stormy, wet weather.
If you are on an island you can only batten down the hatches and wait for it to pass.
So, don't batten down the hatches, open them up and invite someone in for a cup of tea.You won't just make their day - you will make your own too.
BRITAIN was warned to stay at home and batten down the hatches last night in preparation for the worst storm in more than five years.
Graeme Leach, chief economist at the IoD, said: "Business is battening down the hatches in the expectation that the recession will continue for the rest of the year.
With a increase of 3.5% on our council tax plus extra car park costs the council should, as they say, batten down the hatches and ride out the storm and not be spending on silly roundabouts.
FOLKESTONE battened down the hatches last night as it prepared to be hit by winds reaching 45mph overnight as predicted by the Met Office, writes Laura-Jayne Roberts.