jalap

noun

jal·ap | \ ˈja-ləp,

Definition of jalap

1a : the dried tuberous root of a Mexican plant (Ipomoea purga synonym Exogonium purga) of the morning-glory family also : a powdered purgative drug prepared from it that contains resinous glycosides

b : the root or derived drug of plants related to the one supplying jalap

2 : a plant yielding jalap

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The first known use of jalap was in 1644

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jalap

noun

jal·ap | \ ˈjal-əp,

ˈjäl-

Medical Definition of jalap

1a : 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