{ Bil"ly*cock (?), n., or Bil"ly*cock hat` (?) }. [Perh. from bully + cock; that is, cocked like the hats of the bullies.] A round, low-crowned felt hat; a wideawake. "The undignified billycocks and pantaloons of the West." B. H. Chamberlain.

Little acquiesced, and Ransome disguised him in a beard, and a loose set of clothes, and a billicock hat.

{ Bil"ly*cock (?), n., or Bil"ly*cock hat` (?) }. [Perh. from bully + cock; that is, cocked like the hats of the bullies.] A round, low-crowned felt hat; a wideawake. "The undignified billycocks and pantaloons of the West." B. H. Chamberlain.

Little acquiesced, and Ransome disguised him in a beard, and a loose set of clothes, and a billicock hat.

• (British) a felt hat with a rounded crown, similar to a bowler
       
• 1911: Gilbert Keith Chesterton, The Innocence of Father Brown - "... a young man with a billycock hat on the back of his head tumbled up the steps in his eagerness."