opium
opi.um \'o--pe--*m\ n [ME, fr. L, fr. Gk opion, fr. dim. of opos sap] often attrib 1: a bitter brownish addictive narcotic drug that consists of the dried jui ce of the opium poppy 2: something having an effect like that of opium : STUPEFIER
Webster's English Dictionaryopi.um \'o--pe--*m\ n [ME, fr. L, fr. Gk opion, fr. dim. of opos sap] often attrib 1: a bitter brownish addictive narcotic drug that consists of the dried jui ce of the opium poppy 2: something having an effect like that of opium : STUPEFIER