The Collaborative International Dictionary of English v.0.48:
amah \amah\ n. 1. a woman hired to suckle a child of someone else. Syn: wet nurse [WordNet 1.5] 2. a female domestic. Syn: maid, maidservant, housemaid [WordNet 1.5]WordNet (r) 3.0 (2006):
amah n 1: a woman hired to suckle a child of someone else [syn: wet nurse, wet-nurse, wetnurse, amah] 2: a female domestic [syn: maid, maidservant, housemaid, amah]