noun
one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities
• Hypernyms: ↑neural structure
• Part Holonyms: ↑rhinencephalon, ↑olfactory brain
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noun : a bulbous anterior projection of the olfactory lobe in which the olfactory nerves terminate, being especially well developed in lower vertebrates (as many fishes)
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Anat.
the enlarged terminal part of each olfactory lobe from which the olfactory nerve originates.
[1865-70]
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olfactory bulb,
the enlarged distal end of the olfactory lobe. It is the point at which the olfactory nerve begins.
Useful english dictionary. 2012.