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jalap |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Jalap \Jal"ap\, n. [F., fr Sp jalapa; -- so called from Jalapa, a town in Mexico, whence it was first obtained.] (Med.) The tubers of the Mexican plant {Ipom[oe]a purga} (or {Exogonium purga}), a climber much like the morning-glory. The abstract, extract, and powder, prepared from the tubers, are well known purgative medicines. Other species of Ipom[oe]a yield several inferior kinds of jalap, as the {I. Orizabensis}, and {I. tuberosa}. {False jalap}, the root of {Mirabilis Jalapa}, four-o'clock, or marvel of Peru.
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