# ricin

> English word · Noun · IPA /ˈɹaɪsɪn/ · frequency rank #59,677

## Definitions
1. An extremely toxic lectin extracted from the castor bean.

## Etymology
From Latin ricinus.

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