rock

noun
  1. A naturally occurring solid aggregate of minerals or mineraloid matter. noun
    The geologist examined the rock to determine its composition.
    Mountains are often made up of various types of rock.
  2. A large stone or boulder. noun
    He sat on a rock by the river to rest.
    The children climbed over the rocks at the beach.
  3. A type of popular music with a strong beat, typically played with electric guitars and drums. noun
    The band played rock music at the concert.
    She enjoys listening to classic rock from the 1970s.
  4. To move gently back and forth or from side to side. verb
    The mother rocked the baby to sleep.
    The boat rocked in the waves.
  5. To shock or disturb greatly. verb
    The scandal rocked the political world.
    The news of the earthquake rocked the community.
  6. A gemstone, especially a diamond. noun
    She showed off the rock on her engagement ring.
    The jeweler displayed a variety of sparkling rocks.