オピウムオピウムMeanings1nounopiumRefers to the narcotic drug obtained from the opium poppy. Used in medical, historical, and drug-related contexts.19世せい紀きには、オピウムが貿ぼう易えきの重じゅう要ような品ひん目もくだった。In the 19th century, opium was an important trade commodity.