Definition of olfactory tract in US English:

olfactory tract

noun

Anatomy Zoology
  • A stalk of nerve fibres connecting the olfactory bulb to the remainder of the cerebrum.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From olfactory + tract.

Pronunciation

olfactory tract

/ɒlˌfakt(ə)ri ˈtrakt/