|Origin:||juel, from jeu 'game, play'|
a valuable stone, such as a diamond [= gem]
jewellery or other objects made with valuable stones and used for decoration:
She loved dressing up and wearing priceless jewels.
a very small stone used in the machinery of a watch
something or someone that is very valuable, attractive, or important:
He introduced her to Budapest, a jewel of a city.