Source : Webster's Revised Unabridged Dictionary (1913)

Amyloid \Am"y*loid\, Amyloidal \Am`y*loid"al\, a. [L. amylum
   starch + -oid.]
   Resembling or containing amyl; starchlike.

   {Amyloid degeneration} (Med.), a diseased condition of
      various organs of the body, produced by the deposit of an
      albuminous substance, giving a blue color with iodine and
      sulphuric acid; -- called also {waxy or lardaceous
      degeneration}.

Amyloid \Am"y*loid\ ([a^]m"[y^]*loid), n.
   1. A non-nitrogenous starchy food; a starchlike substance.

   2. (Med.) The substance deposited in the organs in amyloid
      degeneration.

Source : WordNet®

amyloid
     adj : resembling starch [syn: {starchlike}, {amylaceous}, {amyloidal},
            {farinaceous}]

amyloid
     n 1: a nonnitrogenous food substance consisting chiefly of
          starch; any substance resembling starch
     2: (pathology) a waxy translucent complex protein resembling
        starch that results from degeneration of tissue