Added 9 October 2026 juno noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. More about juno at Wordnik → Where our words come from → (Roman mythology) queen of the Olympian gods who protected marriage; wife and sister of Jupiter; counterpart of Greek Hera. Related Words: mrsjuneaujupitersospitaherajuventasjovehebejustitialucinajuturna Back to today's word