porthole

noun

port·​hole ˈpȯrt-ˌhōl 

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

: port entry 2 sense 2

Examples of porthole in a Sentence

Recent Examples on the Web

There are two circular porthole windows that were inspired by Wright’s love of circular design elements, as well as Airstream’s traditional focus on aerodynamic design. —Everett Potter, Forbes.com, 9 June 2025

In contrast to the prevailing trend of large rectangular sinks popular in other RVs, including some Airstreams, this unit features a distinctively round sink that pairs naturally with the trailer's porthole windows and disc-like throw pillows in referencing Wright's love of circular elements. —New Atlas, 7 June 2025

Instead of portholes that don't get much beyond 10.7 by 18.4 in (27.2 by 46.7 cm) , the Phantom 3500 cabin has seamless, high-definition digital screens running not only on the port and starboard sides, but on the ceiling as well. —David Szondy may 16, New Atlas, 16 May 2025

And then a massive matte grey screen on the main elevation is conspicuously angled, with three portholes—each differently sized and irregularly set—that playfully reference the Art Deco world of the 1920s that briefly dared to offer curves against Modernism’s linear style. —Nielsen Dinwoodie, Forbes.com, 15 Apr. 2025

Word History

Etymology

port entry 2

First Known Use

1569, in the meaning defined at sense 1

Rhymes for porthole

• bankroll
• bedroll
• borehole
• cajole
• catchpole
• charcoal
• condole
• control
• dipole
• downhole
• enroll
• extol

Kids Definition

porthole

noun

port·​hole ˈpōrt-ˌhōl 

ˈpȯrt-

1

: an opening in the side of a ship or aircraft

2

: an opening to shoot through