- 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"
--1 is a kind of sensation, sense experience, sense impression, sense datum
--1 has particulars:scent; aroma, fragrance, perfume, scent; malodor, malodour, stench, stink, reek, fetor, foetor, mephitis; acridity