What is the meaning of Call_out?

To specify, especially in detail.

To order into service; to summon into service.

To yell out; to vocalize audibly; announce.

To challenge, criticize, denounce.

To contact one's workplace and announce that one is unable to attend work. Regionalism short for call out sick; much more commonly: call in sick.

Misspelling of callout.

Source: wiktionary.org