english
1
general::
Phrase(s): clear something with someone or something to get someone’s approval for something. • You will have to clear this expenditure with the main office. • I will clear your trip with Dad.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Obtain approval or permission. For example, Before you proceed, you'll have to clear it with the main office. [Mid-1900s]
American Heritage Idioms