mepacrine n 1: a drug (trade name Atabrine) used to treat certain worm infestations and once used to treat malaria [syn: {quinacrine}, {quinacrine hydrochloride}, {mepacrine}, {Atabrine}]
mepacrine \mepacrine\ n. Quinacrine, a drug once used to treat malaria; {Atabrine} is a trademark. Syn: quinacrine, Atabrine. [WordNet 1.5]