Uncus

from WordNet (r) 3.0 (2006)
uncus
    n 1: (biology) any hook-shaped process or part
    
from The Collaborative International Dictionary of English v.0.48
Uncus \Un"cus\, n.; pl. {Unci}. [L.] (Zool.)
   A hook or claw.
   [1913 Webster]
    

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