Meaning

• To specify, especially in detail.

  "They call out 304 stainless steel in the drawing, but the part was made from aluminum."

• To order into service; to summon into service.

  "The Governor called out the National Guard."

• To yell out; to vocalize audibly; announce.

• To challenge, criticize, denounce.

  "He was very insulting. Finally Jack called him out and shut him up."

• (New Jersey, New York, Connecticut) 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.

Meaning

• (communication) An outgoing telephone call.

• An invitation to fight; the act of one child calling out another.

• (graphic layout) A pull quote: an excerpt from an article (such as in a news magazine) that is duplicated in a large font alongside the article so as to grab a reader's attention and indicate the article's topic.

• A summons to someone designated as being on call.

  "I had to pay for the callout of the plumber after the pipe burst."

• A meeting or rally held in order to find interested participants, e.g. for an activity or sports team.

  "So many people attended the basketball callout that the coach decided to form two teams."

• An annotation that pertains to a specific location in a body of text or a graphic, and that is visually linked to that location by a mark or a matching pair of marks.

• The act of calling out from work, i.e. announcing that one cannot attend.