# arachnid

> English word · Noun · IPA /əˈɹæknɪd/ · frequency rank #65,694

## Definitions
1. Any of the eight-legged creatures, including spiders, mites, and scorpions, of the class Arachnida.

## Etymology
From international scientific vocabulary, from French arachnide (1809, Lamarck), from New Latin, from Ancient Greek ἀράχνη (arákhnē, “spider”) with the suffix -id. By surface analysis, arachn- + -id.

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