Source : Webster's Revised Unabridged Dictionary (1913)

Bramble \Bram"ble\ (br[a^]m"b'l), n. [OE. brembil, AS.
   br[=e]mel, br[=e]mbel, br[=ae]mbel (akin to OHG. br[=a]mal),
   fr. the same root as E. broom, As. br[=o]m. See {Broom}.]
   1. (Bot.) Any plant of the genus {Rubus}, including the
      raspberry and blackberry. Hence: Any rough, prickly shrub.

            The thorny brambles, and embracing bushes. --Shak.

   2. (Zo["o]l.) The brambling or bramble finch.

Source : WordNet®

bramble
     n : any of various rough thorny shrubs or vines