Wordnet 3.0
NOUN (1)
1. 
 the act of mating by male animals; 
- Example: "the bull was worth good money in servicing fees"[syn: servicing, service]
WordNet (r) 3.0 (2006):
servicing
    n 1: the act of mating by male animals; "the bull was worth good
         money in servicing fees" [syn: servicing, service]