(idiomatic, often attributive) An important point in someone's life where a great change, or reversal, of ideas or beliefs occurs.

plural of rock group

plural of rock band

A group of musicians who regularly perform rock music together.

(slang, intransitive) To party to rock music, punk rock, grunge or heavy metal.

The off-white, crystal-like form of crack cocaine.

Especially of a horse, having a coat of a dark base color with individual white hairs mixed in / Made of the leather called roan.

An animal such as a horse that has a coat of a dark base color with individual white hairs mixed in. / The color of such an animal.

Archaic form of rowan (“kind of tree”).

(informal) The species of diatom, Didymosphenia geminata, best known as widely invasive algae.