mancĭpātĭo (mancŭp-), ōnis, f. [mancipo],
a making over, delivery, transfer of a thing to another; one of the modes of acquiring possession by the Roman civil law; hence, also, for purchase : qui mancipio accipit, apprehendere id ipsum, quod ei mancipio datur, necesse sit: unde etiam mancipatio dicitur, quia manu res capitur,