noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The part of the brain involved with olfaction.
2. 2
   a center in the cerebral hemispheres that governs the sense of smell in lower animals; in humans it seems to mediate complex emotional behavior wordnet

Synonyms

All synonyms

olfactory brainsmell brainsmell-brain

Etymology

From rhin- + encephalon.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.