porthole
Americannoun
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a round, windowlike opening with a hinged, watertight glass cover in the side of a vessel for admitting air and light.
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an opening in a wall, door, etc., as one through which to shoot.
noun
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Sometimes shortened to: port. a small aperture in the side of a vessel to admit light and air, usually fitted with a watertight glass or metal cover, or both
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an opening in a wall or parapet through which a gun can be fired; embrasure
Etymology
Origin of porthole
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He’s even built a concrete fire shelter against a hillside with two steel escape doors and porthole windows.
From Los Angeles Times
“What a beautiful view,” Shepherd told the command center as he looked out the tiny porthole of his capsule, flying high enough to see the Earth’s curve.
From Literature
It also had two watertight hatches for entering and leaving the vessel, one at the front and another at the rear, and two short conning towers equipped with small portholes.
From Literature
The cramped cabin had three small portholes, radio equipment, and instrument panels.
From Literature
Inside, the shelves are packed with thousands of items: from an upturned bathtub and dented porthole, to intricately etched glassware and tiny buttons.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.