definition of
odour

[1] #1 odour n. [smell, odor, olfactory sensation, olfactory perception] the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form; "she loved the smell of roses". wn

[2] #2 odour n. [olfactory property, smell, aroma, odor, scent] any property detected by the olfactory system. wn