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Related to jalap: calomel, omphalos, jalap resin


 (jăl′əp, jä′ləp)
1. A twining eastern Mexican vine (Ipomoea purga) having tuberous roots that are dried, powdered, and used medicinally as a purgative.
2. The purgative drug obtained from the roots of this plant or related plants.

[French, from American Spanish jalapa, short for (purga de) Jalapa, (purgative of) Jalapa, after Jalapa.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈdʒæləp) or


1. (Plants) a Mexican convolvulaceous plant, Exogonium (or Ipomoea) purga
2. (Plants) any of several similar or related plants
3. (Medicine) the dried and powdered root of any of these plants, used as a purgative
4. (Plants) the resin obtained from any of these plants
[C17: from French, from Mexican Spanish jalapa, short for purga de Jalapa purgative of Jalapa]
jalapic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdʒæl əp, ˈdʒɑ ləp)

1. the dried tuberous root of any of several plants, esp. Exogonium purga, of the morning glory family, or the powder derived from it, used in medicine chiefly as a purgative.
2. any of these plants.
[1665–75; < Middle French < Sp (purga de) Jalapa purgative from Jalapa]
ja•lap•ic (-ˈlæp ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Garcia residence and the homes of the Armachuelo, Jalap, Lim, Matig-a and Santiago families.
Browning does take time to consider new editions of Aurora Leigh, writing to the publisher Edward Chapman that he and Barrett agree that the next edition should be "much cheaper": "my wife, you know, has a weakness for cheap little books--not so I, who offered the public certain yellow pennyworths--which they used to look at like so many papers of jalap, once on a time!
The jalap, or marvel of Peru, unfolds its petals between five and six in the evening, which shut again as soon as night comes on.
On another occasion, he was presented with seven sheep's plucks (internal organs) plus a pound of bread, three quarts (3.4 litres) of broth mixed with an ounce of jalap (a laxative), and a quart of beer.
Haines's colonizing/parasitizing desire to pick Stephen clean in this way is aptly underscored by the information that colonizing, swindling, and deparasitizing are all traits inherited from his father: Buck has told Stephen that Haines's "old fellow made his tin by selling jalap to the Zulus or some bloody swindle or other" (Joyce 1961,7)."Jalap" is a herbal purgative derived from a vine in Mexico that would have been imported by colonizers to Africa primarily for use as a vermifuge to expel intestinal worms (Grieve 1971).
He was talking to media men after addressing the Public gathering at Jalap Pirwala.