0 an act of removing someone from their job:
hirings and firings
1 an act of speaking angrily to someone because you disapprove of what they have done:
The official couldn't escape the firing by his superintendent.
2 an act of making someone leave their job:
The firings will reduce the company's employment to about 53,000, down from about 85,000.
She's responsible for the hiring and firing of staff.