noun
- Flavius Claudius Jovianus, a.d. 331?–364, Roman emperor 363–364.
adjective
- of or relating to the Roman god Jupiter.
- of or relating to the planet Jupiter.
adjective
- of or relating to the god Jove (Jupiter)
- of, occurring on, or relating to the planet Jupiter
- of or relating to the giant planets Jupiter, Saturn, Uranus, and Neptunethe Jovian planets
noun
- full name Flavius Claudius Jovianus. ?331–364 ad, Roman emperor (363–64): he made peace with Persia, relinquishing Roman provinces beyond the Tigris, and restored privileges to the Christians
1520s, “of Jove,” from Latin Jovis (see Jove) + -ian. Meaning “of the planet Jupiter” is recorded from 1794. Latin Jovianus was a masculine proper name.