Entry 1 sense Webster, 1913 Abortifacient /(ȧ*bôr`tĭ*fā"shent)/ · A·bor·ti·fa·cient · IPA /əˌbɔɹ.təˈfeɪ.ʃn̩t/ 01 a. Producing miscarriage. 1. Producing miscarriage.