What is the definition or description of: menieres disease?

See below: Ménière's disease is a disorder of the inner ear that can affect hearing and balance to a varying degree. It is characterized by episodes of vertigo, low-pitched tinnitus, and hearing loss. The hearing loss is fluctuating rather than permanent, meaning that it comes and goes, alternating between ears for some time, then becomes permanent with no return to normal function.

Inner ear disorder: Meniere's disease is a disorder of the inner ear that affects hearing and balance. It is characterized by a decrease in hearing, pressure in the affected ear, ringing or roaring noise in the ear and vertigo. Episodes can recur frequently or episodically.