'Mutiny' definitions:

Definition of 'mutiny'

noun

Open rebellion against constituted authority (especially by seamen or soldiers against their officers)

verb

Engage in a mutiny against an authority

From: GCIDE

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]

From: GCIDE

Mutiny \Mu"ti*ny\, n.; pl. Mutinies. [From mutine to mutiny, fr. F. se mutiner, fr. F. mutin stubborn, mutinous, fr. OF. meute riot, LL. movita, fr. movitus, for L. motus, p. p. of movere to move. See Move.]
1. Insurrection against constituted authority, particularly military or naval authority; concerted revolt against the rules of discipline or the lawful commands of a superior officer; hence, generally, forcible resistance to rightful authority; insubordination. [1913 Webster]
In every mutiny against the discipline of the college, he was the ringleader. --Macaulay. [1913 Webster]
2. Violent commotion; tumult; strife. [Obs.] [1913 Webster]
To raise a mutiny betwixt yourselves. --Shak. [1913 Webster]
Mutiny act (Law), an English statute reenacted annually to punish mutiny and desertion. --Wharton. [1913 Webster]
Syn: See Insurrection. [1913 Webster]