The nervous system has a specific sensory system or organ, dedicated to each sense. Humans have a multitude of senses. Sight (ophthalmoception), hearing (audioception), taste (gustaoception), smell (olfacoception or olfacception), and touch (tactioception) are the five traditionally recognised.
1. The faculty or power of perceiving odours or scents by means of the organs in the nose.
2. Perceive or detect the odour or scent of (something).
Synonyms: get a whiff of, scent, get a sniff of, detect the smell of.