Added 11 October 2026 porthole /ˈpɔː(ɹ)t.həʊl/ noun Categories: ThingsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about porthole at Wordnik → Where our words come from → A circular window set in the hull of a ship. A gunport; an opening in the hull of a ship through which cannons are fired. Origin From port + hole. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: portembrasureportlightgunportportageportsillchaseporthalf-portpotgunpunt Back to today's word