The Collaborative International Dictionary of English v.0.48:

Brindle \Brin"dle\, n. [See Brindled.]
   1. The state of being brindled.
      [1913 Webster]

   2. A brindled color; also, that which is brindled.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Brindle \Brin"dle\, a.
   Brindled.
   [1913 Webster]

WordNet (r) 3.0 (2006):

brindle
    adj 1: having a grey or brown streak or a pattern or a patchy
           coloring; used especially of the patterned fur of cats
           [syn: brindled, brindle, brinded, tabby]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "brindle":
   banded, barred, brinded, brindled, listed, marbled, marbleized,
   streaked, streaky, striatal, striate, striated, strigate, strigose,
   striolate, striped, stripy, tabby, veined, watered