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
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The cab’s dark interior seems to lure Rauschenberg in, but perhaps he was also drawn to the small round window, like a porthole, above the seat, which looks out at the distance behind the carriage. Hilton Als, New Yorker, 4 Apr. 2026 The portholes on the bedroom doors, which can be opened and closed using a sliding shutter system, allow both light into the halls and privacy within the rooms. Annabelle Dufraigne, Architectural Digest, 4 Apr. 2026 Its design is an homage to the work of architect Jean Prouve, who incorporated small glass portholes into doors and the sides of his buildings. Nicole Hoey, Robb Report, 31 Mar. 2026 Had those magnificent portholes survived? New York Times, 16 Mar. 2026 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 13 Apr. 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

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