en·clo·sure /ɪnˈkloʒɚ/
  附件,圍牆,圍繞
  enclosure
  外殼
  En·clo·sure n. Inclosure. See Inclosure.
  Note: ☞ The words enclose and enclosure are written indiscriminately enclose or inclose and enclosure or inclosure.
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  In·clo·sure n.  [Written also enclosure.]
  1. The act of inclosing; the state of being inclosed, shut up, or encompassed; the separation of land from common ground by a fence.
  2. That which is inclosed or placed within something; a thing contained; a space inclosed or fenced up.
     Within the inclosure there was a great store of houses.   --Hakluyt.
  3. That which incloses; a barrier or fence.
     Breaking our inclosures every morn.   --W. Browne.
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  enclosure
       n 1: artifact consisting of a space that has been enclosed for
            some purpose
       2: the act of enclosing something inside something else [syn: enclosing,
           envelopment, inclosure]
       3: a naturally enclosed space [syn: natural enclosure]
       4: something (usually a supporting document) that is enclosed
          in an envelope with a covering letter [syn: inclosure]