The Collaborative International Dictionary of English v.0.48:
Curatrix \Cu*ra"trix\ (-tr?ks), n. [L.] 1. A woman who cures. [1913 Webster] 2. A woman who is a guardian or custodian. --Burrill. [1913 Webster]Bouvier's Law Dictionary, Revised 6th Ed (1856):
CURATRIX. A woman who has been appointed to the office of curator.