The Collaborative International Dictionary of English v.0.48:

M'eniere's disease \M['e]`ni[`e]re's" dis*ease"\ (Med.)
   A disease characterized by deafness and vertigo, resulting in
   incoordination of movement. It is supposed to depend upon a
   morbid condition of the semicircular canals of the internal
   ear. Named after M['e]ni[`e]re, a French physician.
   [1913 Webster]