king's evidence: Meaning and Definition of

king's' ev'idence

Pronunciation: [key]
— Brit. Law. Brit. Law.
  1. evidence for the crown given by an accused person against his or her alleged accomplices. Also called, when a queen is sovereign,Cf. state's evidence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.