The Collaborative International Dictionary of English v.0.48:
Oophorectomy \O`o*pho*rec"to*my\, n. [Gr. w,'o`n egg + fe`rein to bear + ? a cutting out.] (Surg.) Ovariotomy. [1913 Webster]WordNet (r) 3.0 (2006):
oophorectomy n 1: surgical removal of one of both ovaries [syn: oophorectomy, ovariectomy]