Main Entry: mor·phine

Pronunciation: \ˈmȯr-ˌfēn\

Function: noun

Etymology: French, from Morpheus

Date: 1828

: a bitter crystalline addictive narcotic base C₁₇H₁₉NO₃ that is the principal alkaloid of opium and is used in the form of a soluble salt (as a hydrochloride or a sulfate) as an analgesic and sedative