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Webster 1913 Edition
Jewstone
{
, Jew’s-stoneˊ
,Jew′stoneˊ
}Noun.
(Paleon.)
A large clavate spine of a fossil sea urchin.
Definition 2024
jewstone
jewstone
English
Alternative forms
- Jew's stone
Noun
jewstone (plural jewstones)
- A fossil of a spine of a sea urchin, once used in the Middle East as a medicine