What is a rock
rock: a lump or mass of hard consolidated mineral matter; material consisting of the aggregate of minerals like those making up the Earth's crust; (figurative) someone who is strong and stable and dependable; hard bright-colored stick candy (typically flavored with peppermint); a genre of popular music originating in the 1950s; pitching dangerously to one side
Updated on Saturday, February 04 2012 at 04:30AM EST
Source:
wordnetweb.princeton.edu/...