ip·e·cac 
(
ĭp
ĭ-k
ăk
′) also
ip·e·cac·u·an·ha (
ĭp
′ĭ-k
ăk
′y
-
ăn
ə)
n.1. a. A low-growing tropical American shrub (Psychotria ipecacuanha syn. Cephaelis ipecacuanha) having roots and rhizomes that yield emetine.
b. The dried roots and rhizomes of this shrub.
2. A medicinal preparation made from the dried roots and rhizomes of this shrub that is used to induce vomiting, particularly in cases of poisoning and drug overdose.
[Short for Portuguese ipecacuanha, from Tupí ipekaaguéne : ipeh, low + kaâ, leaves + guéne, vomit.]