The Collaborative International Dictionary of English v.0.48:

Carnosity \Car*nos"i*ty\, n. [Cf. F. carnosit['e].]
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   1. (Med.) A fleshy excrescence; esp. a small excrescence or
      fungous growth. --Wiseman.
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   2. Fleshy substance or quality; fleshy covering.
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            [Consciences] overgrown with so hard a carnosity.
                                                  --Spelman.
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            The olives, indeed be very small there, and bigger
            than capers; yet commended they are for their
            carnosity.                            --Holland.
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