Definition of rock beauty in English:

rock beauty

noun

  • 1An alpine plant, Petrocallis pyrenaica (sometimes called Draba pyrenaica), of the family Brassicaceae (Cruciferae), typically having pale pink or lilac flowers. Now rare.

  • 2A yellow and blackish-brown angelfish, Holacanthus tricolor (family Pomacanthidae), found on coral reefs in the Caribbean.

Origin

Late 19th century; earliest use found in William Robinson (1838–1935), horticulturist and publisher. From rock + beauty.

Pronunciation

rock beauty

/ˈrɒk ˌbjuːti/