impregnator|ˈɪm-, ɪmˈprɛgneɪtə(r)| [agent-n. in L. form from impregnate v.] One who impregnates. 1722Pope Let. to Gay 13 July, Lett. 1735 I. 321 An Impregnator of the Barren.1883Sir M. Monier-Williams Relig.Th. India xiii. 355 Let Prajā-pati be the Impregnator; let the Creator give the Embryo.