noun
- small round windows in the side of a ship or aircraft
Usage: nautical; aviation
Examples
- The passengers looked out through the airplane’s portholes during takeoff.
- Water splashed against the ship’s portholes during the storm.
- She could see the ocean through the small porthole in her cabin.
- The submarine’s portholes were made of thick, reinforced glass.
- Sunlight streamed through the portholes onto the deck below.
- The crew sealed the portholes before diving underwater.