"odours" in the noun sense
1. smell, odor, odour, 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"
2. olfactory property, smell, aroma, odor, odour, scent
any property detected by the olfactory system
Source: WordNet® (An amazing lexical database of English)
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