Pronunciation: ( jOO'nō),[key] —n., —pl.-nosfor 3. 1. the ancient Roman queen of heaven, a daughter of Saturn and the wife and sister of Jupiter: the protector of women and marriage. Cf. Hera. 2. Astron.the fourth largest and one of the four brightest asteroids.
3. a woman of regal appearance or bearing.
4. Mil.the code name for a beach on France's Normandy coast, attacked by Canadian forces as part of the Allies' D-day invasion on June 6, 1944.
5. a female given name.