rock
A2Frequent NGSL-1UK /rɒk/US /rɑːk/
Meaning
noun
the hard solid material that forms part of the surface of the earth and some other planets
“They drilled through several layers of rock to reach the oil.”
verb
to move gently backwards and forwards or from side to side; to make somebody/something move in this way
“(+ adv./prep.), The boat rocked from side to side in the waves.”
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“And so rock bottom became the solid foundation on which I rebuilt my life.”
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