\Brus"tle\, v. i. [imp. & p. p. {Brustled}; p. pr. & vb.
n. {Brustling}.] [OE. brustlien and brastlien, AS. brastlian,
fr. berstan to burst, akin to G. prasseln to crackle. See
{Burst}, v. i.]
1. To crackle; to rustle, as a silk garment. [Obs.] --Gower.
2. To make a show of fierceness or defiance; to bristle.
   [Obs.]
{To brustle up}, to bristle up. [Obs.] --Otway.

\Brus"tle\, n.
A bristle. [Obs. or Prov.] --Chaucer.