'Bridoon' definitions:

Definition of 'bridoon'

(from WordNet)
noun
A bit resembling a snaffle bit; used with a separate curb

Definition of 'Bridoon'

From: GCIDE
  • Bridoon \Bri*doon"\, n. [F. bridon, from bride; of German origin. See Bridle, n.] (Mil.) The snaffle and rein of a military bridle, which acts independently of the bit, at the pleasure of the rider. It is used in connection with a curb bit, which has its own rein. --Campbell. [1913 Webster]