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Meaning of jalap

jal•ap

Pronunciation: ( jal'up, jä'lup), [key]
— n.
  1. the dried tuberous root of any of several plants, esp. Exogonium purga, of the morning glory family, or the light yellowish powder derived from it, used in medicine chiefly as a purgative.
  2. any of these plants.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.