Entry 1 sense Webster, 1913 Ipecac /(ĭp"ē̇*kăk)/ · Ip·e·cac · IPA /ˈɪp.ɪ.kæk/ 01 n. An abbreviation of Ipecacuanha, and in more frequent use. 1. An abbreviation of Ipecacuanha, and in more frequent use. See: Ipecacuanha