Mainor

Main"or (?), n. [Anglo-Norm. meinoure, OF. manuevre. See Maneuver.] (O. Eng. Law) A thing stolen found on the person of the thief.

☞ A thief was said to be "taken with the mainor," when he was taken with the thing stolen upon him, that is, in his hands. Wharton. Bouvier.