studhorse

from WordNet (r) 3.0 (2006)
studhorse
    n 1: adult male horse kept for breeding [syn: {stud},
         {studhorse}]
    
from The Collaborative International Dictionary of English v.0.48
Stud-horse \Stud"-horse`\, n. [AS. st[=o]d-hors.]
   A stallion, esp. one kept for breeding.
   [1913 Webster]
    

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