# Definition of numerator

**numerator**Noun The number or expression written above the line in a fraction (thus 1 in ½).**numerator**Noun An enumerator; someone who counts things.**numerator**Noun Sometimes the numerator is also referred to as the "nominator," a term more compatible with denominator, so the terms on the top and bottom of the fraction have similar names.http://www.blurtit.com/q721251.html