- 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: Fr from Spanish jalapa, after Jalapa, whence it is imported
Used by arrangement with John Wiley & Sons, Inc.
- A twining eastern Mexican vine (Ipomoea purga syn. I. jalapa) having tuberous roots that are dried, powdered, and used medicinally as a cathartic.
- Any of several similar or related plants.
- The dried tuberous roots of these plants.
Origin: French, from American Spanish jalapa, short for (purga de) Jalapa, (purgative of) Jalapa, after Jalapa.