From WordNet (r) 2.0 (August 2003) [wn]:
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]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Inclosure \In*clo"sure\ (?; 135), n. [See Inclose,
Enclosure.] [Written also enclosure.]
[1913 Webster]
1. The act of inclosing; the state of being inclosed, shut
up, or encompassed; the separation of land from common
ground by a fence.
[1913 Webster]
2. That which is inclosed or placed within something; a thing
contained; a space inclosed or fenced up.
[1913 Webster]
Within the inclosure there was a great store of
houses. --Hakluyt.
[1913 Webster]
3. That which incloses; a barrier or fence.
[1913 Webster]
Breaking our inclosures every morn. --W. Browne.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Enclosure \En*clo"sure\ (?; 135), n.
Inclosure. See Inclosure.
[1913 Webster]
Note: The words enclose and enclosure are written
indiscriminately enclose or inclose and enclosure or
inclosure.
[1913 Webster]