Wiktionary
vb. 1 (context idiomatic transitive English) To visit (a person); to pay a call to. 2 (context idiomatic transitive in a classroom English) To select (a student). 3 (context idiomatic transitive English) (''also call upon'') To request or ask something of (a person); to select for a task. 4 (context idiomatic transitive English) (''also call upon'') To have recourse to; to summon up. 5 (context idiomatic English) To correct; to point out an error or untruth.
WordNet
v. have recourse to or make an appeal or request for help or information to; "She called on her Representative to help her"; "She turned to her relatives for help" [syn: turn]
Usage examples of "call on".
In the meantime, I'll have a word with Dame Estelle and tell her who's coming to call on us.
After being marched to a stone cottage where he immediately falls asleep, Billy pays a brief call on the future.
Then I am to call on our other friends in Throgmorton Street and tell them to buy, buy, buy, in London, New York, Paris, everywhere.
She and Tommy had to call on their last dregs of energy to push through their program to completion in time.
To begin with he would pay a call on Lord Leakham at the Cottage Hospital.
I doubt that Vale will find a way to call on our misguided brothers without returning here first, and in that case we can stop him.
After the lab, I went to call on the Riley County coroner, He doesn't have all the tests back, of course.
In October 1 took leave of my mother and went up to London to order my uniforms, to call on old Mr.