A rock music genre, typically with significant use of the ukulele.

plural of rock cake

A kind of small British fruitcake with a rough surface resembling a rock.

(informal) A style of rock music made by male bands, emphasizing aggressive sexuality.

arena rock

Fine-grained, silt-sized particles of rock generated by mechanical grinding of bedrock by glacial erosion or artificially.

(geology) An igneous rock that crystallized at considerable depth in the crust; plutonic rock.

A rock from the surface of the moon, but especially any geological specimen brought back by the Apollo program

(Scientology) An erratic slashing motion of an E-meter's needle, supposed to indicate evil intentions in the subject.

plural of rock slam