Source : Webster's Revised Unabridged Dictionary (1913)

Vesuvian \Ve*su"vi*an\, a. [Cf. F. V['e]suvien, It. Vesuviano.]
   Of or pertaining to Vesuvius, a volcano near Naples.

Vesuvian \Ve*su"vi*an\, n. [G. vesuvian. See {Vesuvian}, a.]
   (Min.)
   Vesuvianite.

Vesuvian \Ve*su"vi*an\, n.
   A kind of match or fusee for lighting cigars, etc.

Source : WordNet®

vesuvian
     n : a green or yellow or brown mineral consisting of a hydrated
         silicate; it occurs as crystals in limestone and is used
         a gemstone [syn: {vesuvianite}, {idocrase}]