Arithmetic. the term of a fraction, usually above the line, that indicates the number of equal parts that are to be added together; the dividend placed over a divisor: The numerator of the fraction 2/3 is 2. Compare denominator (def 1).

Definition: 2

a person or thing that numbers.

Definition: 3

(maths) the dividend of a fraction: the numerator of 7/8 is 7 Compare denominator