tortfeasor

from WordNet (r) 3.0 (2006)
tortfeasor
    n 1: a party who has committed a tort [syn: {tort-feasor},
         {tortfeasor}]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
TORTFEASOR. A wrong-doer, one who does wrong; one who commits a trespass or 
is guilty of a tort. 
    

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