The Collaborative International Dictionary of English v.0.48:
Begetter \Be*get"ter\, n. One who begets; a father. [1913 Webster]WordNet (r) 3.0 (2006):
begetter n 1: a male parent (also used as a term of address to your father); "his father was born in Atlanta" [syn: father, male parent, begetter] [ant: female parent, mother]