# Jacobson's organ

> English word · Noun

## Definitions
1. The vomeronasal organ, an auxiliary olfactory sense organ found in many animals.

## Etymology
After Ludwig Lewin Jacobson (1783–1843), Danish surgeon, who discovered it in 1813.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jacobson-s-organ