trigger
tri ger
- n lever that activates the firing mechanism of a gun
 - n a device that activates or releases or causes something to happen
 - n an act that sets in motion some course of events
 - v  put in motion or move to act
                    
                        
                            
trigger a reaction - v release or pull the trigger on
 
- In this scenario, the trigger would not be put into place because the employee still has 3,600 to go before he reached the maximum trigger.
 - Most cats produce a protein in their saliva that can trigger an allergic reaction in humans; some breeds, like the Siamese, produce less of it than others.
 - According to the Las Vegas Sun, the Senate Majority Leader thinks putting a trigger on the public option is "a pretty doggone good idea": WASHINGTON -- Senate Majority Leader Harry .