Rock meaning : A formation of minerals, specifically: A large hill or island having no vegetation. Something that is strong, stable, and dependable; a person who provides security or support to another. A lump or cube of ice. A type of confectionery made from sugar in the shape of a stick, traditionally having some text running through its length. A crystallized lump of crack cocaine. An unintelligent person, especially one who repeats mistakes. An Afrikaner. An extremely conservative player who is willing to play only the very strongest hands. Any of several fish: A basketball. (rock paper scissors) A closed hand (a handshape resembling a rock), that beats scissors and loses to paper. It beats lizard and loses to Spock in rock-paper-scissors-lizard-Spock. A cricket ball, especially a new one that has not been softened by use A crystal used to control the radio frequency.