'Warder' definitions:

Definition of 'warder'

(from WordNet)
noun
A person who works in a prison and is in charge of prisoners

Definition of 'Warder'

From: GCIDE
  • Warder \Ward"er\, n.
  • 1. One who wards or keeps; a keeper; a guard. "The warders of the gate." --Dryden. [1913 Webster]
  • 2. A truncheon or staff carried by a king or a commander in chief, and used in signaling his will. [1913 Webster]
  • When, lo! the king suddenly changed his mind, Casts down his warder to arrest them there. --Daniel. [1913 Webster]
  • Wafting his warder thrice about his head, He cast it up with his auspicious hand, Which was the signal, through the English spread, This they should charge. --Drayton. [1913 Webster]