Crossword clues for Rock. 4 letters:ROCKSwaying motion.ROCKSymbol of strength.ROCKSolid as a ___ROCKPop-music typeROCKA firm foundation.ROCKMusic typeROCKMusic styleROCKGenre on "American Bandstand"ROCKPebble, e.g.ROCKComic ChrisROCKSway gentlyROCKMakeshift doorstopROCKShake.ROCKMick Jagger's forteROCKFist, in a gameROCKLoser to paper, in a gameROCKIt beats scissorsROCKWrestler/actor Dwayne "The ___" JohnsonROCKMusic with many subgenresROCKGeology sampleROCKRelax on a porch chair, perhapsROCKGiant diamondROCKGo to and froROCKSway to and froROCKElvis' musicROCKAre wonderful, in modern slangROCKBasalt.ROCKPorphyry.ROCKGreenstone, for one.ROCKHalf today's music.ROCKItem in Charlie Brown's trick-or-treat bagROCKCradle motionROCKSwayROCKHard __ CafeROCKWWE superstar, with "The"ROCKGeology subjectROCKLed Zeppelin's genreROCKShake upROCKLull to sleep, in a wayROCKGenre of 23/56-AcrossROCKAcid or hard followerROCKLittle __ROCKRelax on the porchROCKGeologist's collectibleROCKBoulderROCKArena concert genreROCKRadio-station formatROCKPetrologist's specimenROCKHard stuffROCKFirm support.