/ rɪˈtaɪəmənt; NAmE -ˈtaɪərm-/ noun
1.
[ U , C ] the fact of stopping work because you have reached a particular age; the time when you do this :
At 60, he was now approaching retirement.
Susan is going to take early retirement (= retire before the usual age) .
retirement age
a retirement pension
2.
[ U , sing. ] the period of your life after you have stopped work at a particular age :
to provide for retirement
We all wish you a long and happy retirement.
Up to a third of one's life is now being spent in retirement .
3.
[ U ] retirement (from sth) the act of stopping a particular type of work, especially in sport, politics, etc. :
He announced his retirement from football.
She came out of retirement to win two gold medals at the championships.
For more information see the Cultural Guide