The Collaborative International Dictionary of English v.0.48:

Vesuvian \Ve*su"vi*an\, a. [Cf. F. V['e]suvien, It. Vesuviano.]
   Of or pertaining to Vesuvius, a volcano near Naples.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Vesuvian \Ve*su"vi*an\, n. [G. vesuvian. See Vesuvian, a.]
   1. (Min.) Vesuvianite.
      [1913 Webster]

   2. A kind of match or fusee for lighting cigars, etc.
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

vesuvian
    n 1: 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, vesuvian, idocrase]