rock idol1
/ˈrɒk ˌʌɪdl/noun
A stone figure worshipped, or believed to have been worshipped, as a god.
Origin
Mid 18th century; earliest use found in William Borlase (1696–1772), antiquary and naturalist. From rock + idol.
rock idol2
/ˈrɒk ˌʌɪdl/noun
= rock star.
Origin
1950s; earliest use found in The Los Angeles Times. From rock + idol.