What does porthole mean?
A porthole is a circular window in a ship's side that allows natural light and air into the interior. It is typically made of glass or other transparent material and is used for observation or ventilation. Portholes are a distinctive feature of ships and boats, and are often used to provide a view of the surrounding water or landscape. The term is also used more broadly to describe similar windows or openings in spacecraft or other vehicles. Portholes are an important part of a ship's design, providing a way for crew and passengers to observe the outside environment while also helping to illuminate and ventilate the interior.
nounA porthole is a circular window in a ship's side, typically made of glass or other transparent material, allowing natural light and air into the interior. It is often used for observation or ventilation.
- A circular window in a ship's side.
- A similar window or opening in a spacecraft or other vehicle.
"As the ship sailed through calm waters, she gazed out the porthole at the schools of fish swimming alongside."
"The passengers gathered around the porthole to watch the sunset over the ocean."
"The astronaut floated near the porthole, taking in the stunning view of Earth from space."
The plural form 'portholes' is used to refer to multiple windows or openings.
"The ship had several portholes on each side, providing ample natural light and ventilation."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of porthole
The word 'porthole' originated in the 15th century, derived from the words 'port' and 'hole'. The term 'port' referred to the side of a ship, and 'hole' simply referred to the opening. Over time, the term 'porthole' came to be used specifically to describe the circular windows in a ship's side.
How porthole is actually used
The term 'porthole' is commonly used in nautical contexts, particularly on ships and boats. It can also be used more broadly to describe similar windows or openings in other vehicles or structures.