call out

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb transitive, idiomatic To specify, especially in detail.
• verb transitive, idiomatic To order into service; to summon into service.
• verb intransitive, transitive To yell out; to vocalize audibly; announce.
• verb transitive, idiomatic, colloquial To challenge, to denounce.
• noun UK An incidence of someone being summoned for some purpose.
• noun US A meeting or rally held in order to find interested participants, eg. for an activity or sports team.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb challenge to a duel
• verb call out loudly, as of names or numbers
• verb utter aloud; often with surprise, horror, or joy