The term neuronitis (damage to the sensory neurons of the vestibular ganglion) is also used. Labyrinthitis (inflammation of the labyrinth) occurs when an infection affects both branches of the vestibulo-cochlear nerve, resulting in hearing changes as well as dizziness or vertigo.
A legion is one thousand troops. noun. The definition of a legion is an army or other large number of people. An example of legion is one thousand US Army troops. An example of legion is hundreds of fans showing up to an author's book signing.
Medical Definition of Legionnaire disease. Legionnaire disease: A disease due to the bacteria Legionella pneumophila found in plumbing, shower heads and water-storage tanks. Outbreaks of Legionella pneumonia have been attributed to evaporative condensers and cooling towers. The bacteria thrives in the mist sprayed from air-conditioning ducts and so it can infest an entire building or airplane. Travelers are especially vulnerable in the closed space within a plane.