Nar·cē'ia or Nār'ce·ine, n.

(-sē/yā), Nār'ce·ine (-se·im), n. [Fr. narcéine, from Lat. narce, Gr. νάρκη, numbness, torpor.] (Chem.) An alkaloid obtained from opium, in the form of a white crystalline solid, with a slightly bitter and galvanic taste.