n. [ L. numerator: cf. F. numérateur. ] 1. One who numbers. [ 1913 Webster ]
2. (Math.) The term in a fraction which indicates the number of fractional units that are taken. [ 1913 Webster ]
☞ In a vulgar fraction the numerator is written above a line; thus, in the fraction 5/9 (five ninths) 5 is the numerator; in a decimal fraction it is the number which follows the decimal point. See Fraction. [ 1913 Webster ]