callout noun 11forms 1 noun11 •(US) 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. •A request for people to join or take part.[…] a callout for volunteers to fill hundreds of sandbags. — 2022 •An instance of being summoned to visit a certain place in order to provide assistance; an instance of summoning someone who is on call.I had to pay for the callout of the plumber after the pipe burst. •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. •A form of verbal abuse with the intention of making the victim feel guilty. •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. •The act of calling out from work, i.e. announcing that one cannot attend; the act of calling in sick.On this particular day, I felt ill, mostly from exhaustion, and had to call out from work. This callout caused a stir and a display of animosity. — 2015 •The invocation of an external third-party component.One of the great benefits is that it allows you to perform callouts during trigger executions. •(slang) An invitation to fight. •An outgoing telephone call. •A scheduled appointment for which a prisoner may go somewhere.The chaplains here are now taking it upon themselves to remove certain prisoners from chapel call outs because of long hair, being gay, or for any other reason they want. — 1986 formscallouts