The Collaborative International Dictionary of English v.0.48:

Arras \Ar"ras\, n. [From Arras the capital of Artois, in the
   French Netherlands.]
   Tapestry; a rich figured fabric; especially, a screen or
   hangings of heavy cloth with interwoven figures.
   [1913 Webster]

         Stateliest couches, with rich arras spread. --Cowper.
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         Behind the arras I'll convey myself.     --Shak.
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The Collaborative International Dictionary of English v.0.48:

Arras \Ar"ras\, v. t.
   To furnish with an arras. --Chapman.
   [1913 Webster]

WordNet (r) 3.0 (2006):

arras
    n 1: a wall hanging of heavy handwoven fabric with pictorial
         designs [syn: tapestry, arras]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

ARRAS, Span. law. The property contributed by the husband, ad sustinenda
onera matrimonii, is called arras. The husband is under no obligation to
give arras, but it is a donation purely voluntary. He is not permitted to
give in arras more than a tenth of his property. The arras is the exclusive
property of the wife, subject to the husband's usufruct during his life.
Burge on the Confl. of Laws, 417.
     2. By arras is also understood the donation which the husband makes to
his wife, by reason or on account of marriage, and in consideration of the
dote, or portion, which be receives from her. Aso & Man. Inst. h.t. 7, c.
3.