# jewstone

> English word · Noun

## Definitions
1. A fossil of a spine of a sea urchin, once used in the Middle East as a medicine

## Etymology
From Jew + stone.

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