WAGER OF LAW
wager of law.Hist. A method of proof in which a person defends against a claim by swearing that the claim is groundless, and by enlisting others (compurgators) to swear to the defendant’s credibility. — Also termed gager del ley (gay-j<<schwa>>r del lay); vadiatio legis (vad-ee-ay-shee-oh lee-jis). See COMPURGATION.
[Blacks Law 8th]