[mass noun](Law)possession of land by freehold (律)依法占有土地 ■(Brit. historical)possession, especially of land (英 史)(尤指土地的)占有;拥有 Richard Fitzhugh did not take seisin of his lands until 1480. 理查德 • 费茨修直到1480年才拥有了自己的土地。
语源
Middle English: from Old French seisine, from saisir 'seize'