'Billy club' definitions:

Definition of 'billy club'

(from WordNet)
noun
A short stout club used primarily by policemen [syn: truncheon, nightstick, baton, billy, billystick, billy club]

Definition of 'Billy club'

From: GCIDE
  • Billy club \Bil"ly club`\, n. see billy, n. 1. [PJC] Billycock

Definition of 'billy club'

From: GCIDE
  • billy club \billy club\ n. a policeman's club; a nightstick.
  • Syn: truncheon, nightstick, billy, billy club. [WordNet 1.5]

Definition of 'billy club'

From: GCIDE
  • Billy \Bil"ly\, n.
  • 1. A club; esp., a policeman's club. Also called billy club [1913 Webster +PJC]
  • 2. (Wool Manuf.) A slubbing or roving machine. [1913 Webster]