Porthole

//ˈpɔː(ɹ)t.həʊl// noun

noun ·Uncommon ·College level

Definitions

Noun
  1. 1
    A gunport; an opening in the hull of a ship through which cannons are fired. archaic
  2. 2
    an opening (in a wall or ship or armored vehicle) for firing through wordnet
  3. 3
    A circular window set in the hull of a ship.
  4. 4
    a window in a ship or airplane wordnet

Synonyms

All synonyms
portair holearmholebaybay windowblowhole

Example

More examples

"They saw the waves through the porthole."

Etymology

From port + hole.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.