Comma bacillus Meaning, Definition & Usage

  1. noun comma-shaped bacteria that cause Asiatic cholera
    Vibrio comma.

WordNet

Definitions
  1. (Physiol.), a variety of bacillus shaped like a comma, found in the intestines of patients suffering from cholera. It is considered by some as having a special relation to the disease; called also cholera bacillus.

Webster 1913