Definitions for vesuvian
Random House Webster's College Dictionary
Ve•su•vi•usvəˈsu vi əs(n.)
Mount, an active volcano in SW Italy, near Naples: its eruption destroyed the ancient cities of Pompeii and Herculaneum a .d . 79. ab. 3900 ft. (1190 m).
Category: Geography (places)
vesuvianite, vesuvian, idocrase(noun)
a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
Someone from, or pertaining to, Mount Vesuvius.
of or pertaining to Vesuvius, a volcano near Naples