cocaine Meaning, Definition & Usage

  1. noun a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive
    cocain.

WordNet


Co"ca*ine noun
Definitions
  1. (Chem.) A powerful alkaloid, C17H21NO4, obtained from the leaves of coca. It is a bitter, white, crystalline substance, and is remarkable for producing local insensibility to pain.

Webster 1913