jalap

jal·ap

noun \ˈjal-əp, ˈjäl-\

Definition of JALAP

1

a : the dried tuberous root of a Mexican plant of the genus Ipomoea (I. purga); also : a powdered purgative drug prepared from this root that contains resinous glycosides b : the root or derived drug of plants related to the one supplying jalap—see tampico jalap

2

: a plant yielding jalap