| n. | 1. | (O. Eng. Law) A pledge or surety for the good behavior of freemen, - each freeman who was a member of an ancient decennary, tithing, or friborg, in England, being a pledge for the good conduct of the others, for the preservation of the public peace; a free surety.The servants of the crown were not, as now, bound in frankpledge for each other. - Macaulay. |