eightieth
🇺🇸
/ˈeɪtiəθ/
🇬🇧
/ˈeɪtiəθ/
The position in a sequence that is 80th.
On her eightieth birthday, she received a beautiful bouquet of flowers from her family.
One part of 80 equal parts that make up a whole.
She received a gift for her eightieth share of the cake.