enclosure
/ɪnˈkləʊʒə(r)/(亦作 inclosure)
noun
1
- an area that is sealed off with an artificial or natural barrier（被人工或天然屏障围住的）封闭场地, 围场。
1.1
- Brit. a section of a racecourse for a specified activity or class of people〈英〉赛马场内为某种活动（或某类人士）划出的场地：
the members' enclosure.
会员席。
1.2
- an artificial or natural barrier that seals off an area（人工或天然）围篱, 围墙, 围栏。
2
- mass noun historical the process or policy of fencing in waste or common land so as to make it private property, as pursued in much of Britain in the 18th and early 19th centuries〈史〉圈地（政策）。
2.1
- the state of being enclosed, especially in a religious community（尤指宗教团体的）封闭状态。
3
- a document or object placed in an envelope together with a letter（信中的）附件, 随寄物品。
词源
late Middle English: from legal Anglo-Norman French and Old French, from enclos 'closed in' （see ENCLOSE）.