2. A truncheon or staff carried by a king or a commander in
chief, and used in signaling his will.
When, lo! the king suddenly changed his mind, Casts
down his warder to arrest them there. --Daniel.
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.