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Jacobson's organ

[ jey-kuhb-suhnz ]
/ ˈdʒeɪ kəb sənz /
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noun Anatomy, Zoology.
either of a pair of blind, tubular, olfactory sacs in the roof of the mouth, vestigial in humans but well-developed in many animals, especially reptiles.
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Origin of Jacobson's organ

1870–75; named after L. L. Jacobson (died 1843), Danish anatomist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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