Source : Webster's Revised Unabridged Dictionary (1913)

Canary \Ca*na"ry\, n.; pl. {Canaries}.
   1. Wine made in the Canary Islands; sack. ``A cup of
      canary.'' --Shak.

   2. A canary bird.

   3. A pale yellow color, like that of a canary bird.

   4. A quick and lively dance. [Obs.]

            Make you dance canary With sprightly fire and
            motion.                               --Shak.

Canary \Ca*na"ry\, v. i.
   To perform the canary dance; to move nimbly; to caper. [Obs.]

         But to jig of a tune at the tongue's end, canary to it
         with your feet.                          --Shak.

Canary \Ca*na"ry\, a. [F. Canarie, L. Canaria insula one of the
   Canary islands, said to be so called from its large dogs, fr.
   canis dog.]
   1. Of or pertaining to the Canary Islands; as, canary wine;
      canary birds.

   2. Of a pale yellowish color; as, Canary stone.

   {Canary grass}, a grass of the genus {Phalaris} ({P.
      Canariensis}), producing the seed used as food for canary
      birds.

   {Canary stone} (Min.), a yellow species of carnelian, named
      from its resemblance in color to the plumage of the canary
      bird.

   {Canary wood}, the beautiful wood of the trees {Persea
      Indica} and {P. Canariensis}, natives of Madeira and the
      Canary Islands.

   {Canary vine}. See {Canary bird flower}, under {Canary bird}.

Source : WordNet®

canary
     n 1: someone acting as an informer or decoy for the police [syn:
          {fink}, {snitch}, {snitcher}, {stoolpigeon}, {stoolie},
          {sneak}, {sneaker}]
     2: a female singer
     3: a moderate yellow with a greenish tinge [syn: {canary yellow}]
     4: any of several small Old World finches [syn: {canary bird}]

canary
     adj : having the color of a canary; a light to moderate yellow
           [syn: {canary-yellow}]