Definitions for call out
a challenge to a fight or duel
exclaim, cry, cry out, outcry, call out, shout(verb)
utter aloud; often with surprise, horror, or joy
"`I won!' he exclaimed"; "`Help!' she cried"; "`I'm here,' the mother shouted when she saw her child looking lost"
call out loudly, as of names or numbers
challenge to a duel
"Aaron Burr called out Alexander Hamilton"
Kernerman English Learner's Dictionary
to say loudly; = shout
"Hey - over here!" he called out.
to officially ask sb to help
to call out the national guard
An incidence of someone being summoned for some purpose.
A meeting or rally held in order to find interested participants, eg. for an activity or sports team.
To specify, especially in detail.
To order into service; to summon into service.
To yell out; to vocalize audibly; announce.
To challenge, to denounce.
Origin: From call + out.