Source : Webster's Revised Unabridged Dictionary (1913)

Odorous \O"dor*ous\, a. [Written also {odourous}.] [L. odorus,
   fr. odor odor: cf. OF. odoros, odoreux.]
   Having or emitting an odor or scent, esp. a sweet odor;
   fragrant; sweet-smelling. ``Odorous bloom.'' --Keble.

         Such fragrant flowers do give most odorous smell.
                                                  --Spenser.
   -- {O"dor*ous*ly}, adv. -- {O"dor*ous*ness}, n.

Source : WordNet®

odorous
     adj 1: having odor or a characteristic odor; "odorous jasmine
            flowers"; "odorous garbage"; "fresh odorous bread"
            [ant: {odorless}]
     2: emitting an odor; "odoriferous blossoms"; "odorous salt pork
        and weevily hardtack" [syn: {odoriferous}]
     3: having a natural fragrance; "odoriferous spices"; "the
        odorous air of the orchard"; "the perfumed air of June";
        "scented flowers" [syn: {odoriferous}, {perfumed}, {scented},
         {sweet}, {sweet-scented}, {sweet-smelling}]