money paid by an employer to an employee whose job the employer has had to bring to an end

The management have offered employees one week's severance (pay) for each six months they have worked at the company. 资方向雇员们发放了遣散费，标准是每六个月工龄可获得相当于一星期工资的数额。

a severance agreement/deal/package 遣散费协议

the act of ending a connection, relationship, etc. or of being separated from a person, place, etc.

The minister announced the severance of aid to the country. 部长宣布中断对该国的援助。

The hardest thing to cope with was the severance from his family. 对他来说最难应对的事情是与家人分离。