Legionella*: Meaning and Definition of

Le•gion•el•la

Pronunciation: (lē"ju-nel'u), [key]
— n.
  1. a genus of rod- or coccus-shaped aerobic Gram-negative bacteria, certain species of which, as L. pneumophila, produce legionnaires' disease.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.