jalap /ˈd͡ʒæləp/noun 1/hæləp/ noun 1forms 1 noun1 •A cathartic drug consisting of the tuberous roots of Ipomoea purga, a convolvulaceous plant found in Mexico.He’s stinking with money and thinks you’re not a gentleman. His old fellow made his tin by selling jalap to Zulus or some bloody swindle or other. — 1922 jalap /hæləp/ noun1 •(informal) A jalapeño. formsjalaps
