# sensillum

> English word · Noun

## Definitions
1. A sensory receptor in certain invertebrates, especially arthropods.

## Etymology
Borrowed from German Sensillum, from New Latin sensillum, diminutive of Latin sēnsus (“perception, feeling”). Coined by German zoologist Ernst Haeckel in Systematische Phylogenie (1895).

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