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roll (sth) over sth

phrasal verb with roll
 
/rəʊl/
 
US  /roʊl/ verb

Definition

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.Operating computers
(Definition of roll (sth) over sth from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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