Usucaption
Usucaption (?; 277) , noun
[Latin usucapere, usucaptum, to acquire by long use; usu (ablative of usus use) + capere to take: compare 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.