Pre-hardened plaster of Paris (gypsum) sold in large panels and used as a wall surface in building construction.

plural of rock bun

(slang) Crazy; insane.

(colloquial) Aerospace engineer. / (hyperbolic) Someone qualified to understand or handle that which is overly complex, detailed or confusing.

The science or study of rockets and their design. / (idiomatic, chiefly in the negative) Anything overly complex, detailed or confusing.

A male given name, pet form of Rocco and Roch. / Rocky Balboa, a fictional boxer played by Sylvester Stallone in a series of films. / The Rocky Horror Picture Show.

A topographic surname from Middle English for someone living near a rock or an oak ( atter + oke ). / A male given name transferred from the surname. / Any of three villages in England.

(music) A genre of rock music associated with short, loud, energetic songs played on electric guitars and drums and employing angry, offensive, and/or political lyrics.

(music) A genre of music which uses rock instrumentation for songs with gradually unfolding structures that depend more on ambience and timbre than melody.

A modern hand-held weapons system, comprising a launcher that fires a small explosive rocket. / The explosive rocket weapon component of such a system.