The phrase "to call a strike" means to organize or announce a work stoppage by a group of employees as a way to protest or bargain for better conditions, higher pay, or other demands. Full definition
For instance, a stock future gives the holder an obligation to buy or sell the stock for a specified price called striking price at a certain date in the future. (myfinancekits.com)
They're calling strikes on me up around the eyes. (si.com)
The count is 2 - 1 after a pitch that's been a strike for much of the evening in this super wide strike zone was not called a strike. (sbnation.com)