Abalienatio, in Roman law, is a legal transfer of property by sale or other alienation. According to Cicero, . Cicero  defines abalienatio to be ; and this is effected either by . According to this definition,  is of a , a class of things determinate; and the mode of transfer is either by  or by .

References
 Dictionary of Greek and Roman Antiquities, John Murray, London, 1875

Roman law