The Collaborative International Dictionary of English v.0.48:

Veil \Veil\, v. t. [imp. & p. p. Veiled; p. pr. & vb. n.
   Veiling.] [Cf. OF. veler, F. voiler, L. velarc. See Veil,
   n.] [Written also vail.]
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   1. To throw a veil over; to cover with a veil.
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            Her face was veiled; yet to my fancied sight,
            Love, sweetness, goodness, in her person shined.
                                                  --Milton.
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   2. Fig.: To invest; to cover; to hide; to conceal.
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            To keep your great pretenses veiled.  --Shak.
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The Collaborative International Dictionary of English v.0.48:

Veiling \Veil"ing\, n.
   A veil; a thin covering; also, material for making veils.
   [1913 Webster]

WordNet (r) 3.0 (2006):

veiling
    n 1: a net of transparent fabric with a loose open weave [syn:
         gauze, netting, veiling]