thirdportion
nounUK /ˌθɜːd ˈpɔːʃən/
US /ˌθɝːd ˈpɔːrʃən/
One of three equal pieces of something.
She saved the third portion of the cake for her brother.
OTHER MEANINGS
2. The last of three servings of food.
He ate the third portion of pasta after everyone else finished.
3. A section that comes after the second in a series of three.
The third portion of the book explains how plants grow.
4. One of three equal parts of an amount or number.
The third portion of the money went to the school.