The Collaborative International Dictionary of English v.0.48:

Morphine \Mor"phine\, n. [From Morpheus: cf. F. morphine.]
   (Chem.)
   A bitter white crystalline alkaloid found in opium,
   possessing strong narcotic properties, and much used as an
   anodyne; -- called also morphia, and morphina.
   [1913 Webster]