porthole

noun

port·​hole ˈpȯrt-ˌhōl How to pronounce porthole (audio)
1
: an opening (such as a window) with a cover or closure especially in the side of a ship or aircraft
2
: a port through which to shoot
3

Examples of porthole in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
After the child lost her balance on June 29 and fell backward through a porthole on Deck 4, her father jumped in after her, according to a Broward County Sheriff’s Office report. Nathan Diller, USA Today, 5 Jan. 2026 Two rows of Mammoth's signature stretched oval porthole windows on the roof edges let light in during the day and provide a glimpse at the shimmering sky at night. New Atlas, 24 Nov. 2025 What began as a mother’s attempt to capture a picture-perfect vacation moment aboard Disney Cruise Line’s Disney Dream ended in tragedy, as police say a 5-year-old girl plunged from a deck after being encouraged to climb into an open porthole. Sarah Rumpf-Whitten , Adriana James-Rodil, FOXNews.com, 21 Oct. 2025 There is no porthole, but dents in the wall mark where nails must once have held up maps or schedules, maybe photographs from home, and slotted into a niche in the wall is a small gilt mirror. Literary Hub, 10 Oct. 2025 See All Example Sentences for porthole

Word History

Etymology

port entry 2

First Known Use

1569, in the meaning defined at sense 1

Time Traveler
The first known use of porthole was in 1569

Browse Nearby Words

Cite this Entry

“Porthole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/porthole. Accessed 9 Jan. 2026.

Kids Definition

porthole

noun
port·​hole ˈpōrt-ˌhōl How to pronounce porthole (audio)
ˈpȯrt-
1
: an opening in the side of a ship or aircraft
2
: an opening to shoot through

More from Merriam-Webster on porthole

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