Lewis & Short

obstē̆trix (opst-) or obstī̆trix (opst-), īcis, f. [obsto], a midwife: peperit Sine obstetricis operā, Plaut. Cist. 1, 2, 22; id. Capt. 3, 4, 96: mittere ad obstetricem, Ter. Ad. 3, 1, 5; Hor. Epod. 17, 51; Vulg. Exod. 1, 15: obstetricum nobilitas, Plin. 28, 6, 18, § 67; Paul. Sent. 2, 24, 8 sq.