Added 9 October 2026 europa noun Categories: NatureRare Words noun ! Definition from WordNet 3.1, Princeton University. More about europa at Wordnik → Where our words come from → The 4th largest of Jupiter's satellites; covered with a smooth shell of frozen water. Related Words: osteuropeaneuropeeuroravishedmitteloostarchivoldworldcontinenteurolandeurozone Back to today's word