The Collaborative International Dictionary of English v.0.48:

curettage \cu`ret*tage"\ (k[=u]`r[e^]*t[aum]zh" or
   k[=u]*r[e^]t"[asl]j), n.
   surgery to remove tissue or growths from a bodily cavity (as
   the uterus) by scraping with a curette; the act of scraping
   with a curette.

   Syn: curettement.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

curettage
    n 1: surgery to remove tissue or growths from a bodily cavity
         (as the uterus) by scraping with a curette [syn:
         curettage, curettement]