middle age
US /ˌmɪd.l̩ ˈeɪdʒ/
UK /ˌmɪd.l̩ ˈeɪdʒ/

1.
orta yaş
the period of life between youth and old age, usually considered to be between the ages of 45 and 65
:
•
He's in his middle age, but still very active.
Orta yaşlarında ama hala çok aktif.
•
Many people experience a 'midlife crisis' during middle age.
Birçok insan orta yaş döneminde 'orta yaş krizi' yaşar.