eserine Meaning, Definition & Usage

Es"er*ine noun
Etymology
From native name of the Calabar bean: cf. F. ésérine.
Definitions
  1. (Chem.) An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil.

Webster 1913