pearl

1. Nacre; mother-of-pearl. (countable, uncountable)
2. A white color inspired by the shade of pearls. (countable, uncountable)
3. Something precious. (countable, figuratively, uncountable)
4. A capsule of gelatin or similar substance containing liquid for, e.g., medicinal application. (countable, uncountable)
5. A whitish speck or film on the eye. (countable, uncountable)
6. A fish allied to the turbot; the brill. (countable, uncountable)
7. A light-colored tern. (countable, uncountable)
8. One of the circle of tubercles which form the bur on a deer's antler. (countable, uncountable)

Plural pearls