%usucaption%

n. [ L. usucapere, usucaptum, to acquire by long use; usu (ablative of usus use) + capere to take: cf. usucapio usucaption. ] (Roman Law) The acquisition of the title or right to property by the uninterrupted possession of it for a certain term prescribed by law; -- the same as prescription in common law. [ 1913 Webster ]