Source : Webster's Revised Unabridged Dictionary (1913)

Wicker \Wick"er\, a.
   Made of, or covered with, twigs or osiers, or wickerwork.

         Each one a little wicker basket had, Made of fine
         twigs, entrail['e]d curiously.           --Spenser.

Wicker \Wick"er\, n. [OE. wiker, wikir, osier, probably akin to
   AS. w[=i]can to give way. Cf. {Weak}.]
   1. A small pliant twig or osier; a rod for making basketwork
      and the like; a withe.

   2. Wickerwork; a piece of wickerwork, esp. a basket.

            Then quick did dress His half milk up for cheese,
            and in a press Of wicker pressed it.  --Chapman.

   3. Same as 1st {Wike}. [Prov. Eng.]

Source : WordNet®

wicker
     n 1: slender flexible branches or twigs (especially of willow or
          some canes); used for wickerwork
     2: work made of interlaced slender branches (especially willow
        branches) [syn: {wickerwork}, {caning}]