The Collaborative International Dictionary of English v.0.48:

Diversity \Di*ver"si*ty\, n.; pl. Diversities. [F.
   diversit['e], L. diversitas, fr. diversus. See Diverse.]
   1. A state of difference; dissimilitude; unlikeness.
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            They will prove opposite; and not resting in a bare
            diversity, rise into a contrariety.   --South.
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   2. Multiplicity of difference; multiformity; variety.
      "Diversity of sounds." --Shak. "Diversities of opinion."
      --Secker.
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   3. Variegation. "Bright diversities of day." --Pope.

   Syn: See Variety.
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