The Collaborative International Dictionary of English v.0.48:

Mutiny \Mu"ti*ny\, v. i. [imp. & p. p. Mutinied; p. pr. & vb.
   n. Mutinying.]
   1. To rise against, or refuse to obey, lawful authority in
      military or naval service; to excite, or to be guilty of,
      mutiny or mutinous conduct; to revolt against one's
      superior officer, or any rightful authority.
      [1913 Webster]

   2. To fall into strife; to quarrel. [Obs.] --Shak.
      [1913 Webster]