senior citizen

US /ˌsiː.njɚ ˈsɪt.ɪ.zən/
UK /ˌsiː.njɚ ˈsɪt.ɪ.zən/
"senior citizen" picture
1.

an elderly person, especially one who is retired and receiving a pension

:
The museum offers discounts for senior citizens.
Many senior citizens enjoy community activities.