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English definition of “roll (sth) over sth”

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roll (sth) over sth

verb uk phrasal verb with roll   /rəʊl/ us    /roʊl/
If you roll over something on a computer screen, you move the mouse over an active place so that you can see information that is hidden under it: If you roll your mouse over a word, its definition will appear.
(Definition of roll (sth) over sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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