cornu

from WordNet (r) 3.0 (2006)
cornu
    n 1: (anatomy) any structure that resembles a horn in shape
    
from The Collaborative International Dictionary of English v.0.48
Cornu \Cor"nu\ (k[^o]r"n[-u]), n.; pl. {Cornua} (-n[-u]*[.a]).
   [L.]
   A horn, or anything shaped like or resembling a horn.
   [1913 Webster]
    

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