Bandit \Ban"dit\, n.; pl. Bandits, or Banditti. [It. bandito outlaw, p. p. of bandire to proclaim, to banish, to proscribe, LL. bandire, bannire. See Ban an edict, and cf. Banish.]

An outlaw; a brigand.

No savage fierce, bandit, or mountaineer. --Milton.

Note: The plural banditti was formerly used as a collective noun.

Deerstealers are ever a desperate banditti. --Sir W. Scott.

Source: Webster's Revised Unabridged Dictionary (1913)