What does "numerator" mean?

The number or expression written above the line in a fraction (such as 1 in ½).

What is a synonym for "numerator"?

Common synonyms include: argument, count, counted quantity, dividend, dividends, element.

Pronounced //ˈnuː.məɹˌeɪ̯.təɹ//.

/ˈnuː.məɹˌeɪ̯.təɹ/ noun

noun ·Rare ·Advanced level

Noun

1
The number or expression written above the line in a fraction (such as 1 in ½).
2
the dividend of a fraction wordnet
3
An enumerator; someone who counts.

"Fractions with a denominator of 1 are equivalent to the numerator."

Learned borrowing from Late Latin numerātor.