- the dried root of a Mexican vine (Ipomoea purga) of the morning-glory family, formerly used as a purgative
- a resin obtained from this root
- the plant bearing this root
- any of several other plants with similar roots
Origin of jalapFrench from Spanish jalapa, after Jalapa, whence it is imported
- A twining eastern Mexican vine (Ipomoea purga) having tuberous roots that are dried, powdered, and used medicinally as a purgative.
- The purgative drug obtained from the roots of this plant or related plants.
Origin of jalapFrench from American Spanish jalapa short for (purga de) Jalapa (purgative of) Jalapa after Jalapa
From the city of Xalapa in Mexico.