Source : Webster's Revised Unabridged Dictionary (1913)

Nectarous \Nec"tar*ous\, a.
   Nectareous. --Milton.

Source : WordNet®

nectarous
     adj : extremely pleasing to the taste; sweet and fragrant; "a
           nectarous drink"; "ambrosial food" [syn: {ambrosial}, {ambrosian}]