Source : Webster's Revised Unabridged Dictionary (1913)

Nectary \Nec"ta*ry\, n.; pl. {Nectaries}. [From {Nectar}: cf. F.
   nectaire.] (Bot.)
   That part of a blossom which secretes nectar, usually the
   base of the corolla or petals; also, the spur of such flowers
   as the larkspur and columbine, whether nectariferous or not.
   See the Illustration of {Nasturtium}.

Source : WordNet®

nectary
     n : a gland (often a protuberance or depression) that secretes
         nectar [syn: {honey gland}]