1. verb
They call out 304 stainless steel in the drawing, but the part was made from aluminum.
b) To order into service; to summon into service.
The Governor called out the National Guard.
2. noun
I had to pay for the call out of the plumber after the pipe burst.
b) A meeting or rally held in order to find interested participants, eg. for an activity or sports team.
So many people attended the basketball call out that the coach decided to form 2 teams.
Wikipedia foundation.