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English definition of “rock”

rock

noun (STONE)    /rɒk/ US  /rɑːk/
B1 [C or U] the dry solid part of the Earth's surface, or any large piece of this that sticks up out of the ground or the sea: Mountains and cliffs are formed from rock. The boat struck a rock outside the bay and sank.Geology - general words [C] a piece of rock or stone: The demonstrators were hurling rocks at the police.Geology - general words rocks [plural] a line of large stones sticking up from the sea: The storm forced the ship onto the rocks.Geology - general words [C] slang for a valuable stone used in jewellery, especially a diamond: Have you seen the size of the rock he gave her for their anniversary?Precious and semi-precious stonesTypes of rockJewellery
(Definition of rock noun (STONE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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