[jal-uh p, jah-luh p]
- the dried tuberous root of any of several plants, especially Exogonium purga, of the morning glory family, or the light yellowish powder derived from it, used in medicine chiefly as a purgative.
- any of these plants.
Origin of jalap
1665–75; < Middle French < Spanish (purga de) Jalapa purgative from Jalapa
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for jalap
It is prepared like resin of jalap and is a safe and sure purgative.The Medicinal Plants of the Philippines
T. H. Pardo de Tavera
They came from the walks in prime condition, and tartar and jalap did the rest.The Reckoning
Robert W. Chambers
Tobacco and jalap grow in abundance at the foot of the Andes.Torrey's Narrative
Scammony is generally formed into an emulsion with milk; and resin of jalap, with almonds and water.
It is frequently adulterated with jalap resin, a fraud readily detected by its insolubility in the last two menstrua.
- a Mexican convolvulaceous plant, Exogonium (or Ipomoea) purga
- any of several similar or related plants
- the dried and powdered root of any of these plants, used as a purgative
- the resin obtained from any of these plants
C17: from French, from Mexican Spanish jalapa, short for purga de Jalapa purgative of Jalapa