(~s)
1.
A ~ is a jewel or stone that is used in jewellery.
...a gold mask inset with emeralds and other ~s.
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2.
If you describe something or someone as a ~, you mean that they are especially pleasing, good, or helpful. (INFORMAL)
...a ~ of a hotel, Castel Clara...
Miss Famous, as she was called, was a ~.
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