- The definition of olfactory is related to the sense of smell.
Nerves that help your sense of smell are examples of olfactory nerves.
This child is making use of her olfactory nerves.
Of, relating to, or contributing to the sense of smell.
Origin of olfactoryLatin olfactōrius, used to sniff at, from olfactus, past participle of olfacere, to smell : olēre, to smell + facere, to do; see fact.
- Concerning the sense of smell.