Webster’s Revised Unabridged Dictionary · 1913
Integer
In′te·ger (ĭn′tē·jẽr), n. [L. integer untouched, whole, entire. See Entire.] A complete entity; a whole number, in contradistinction to a fraction or a mixed number.
Complex integer (Theory of Numbers), an expression of the form a + b√-1, where a and b are real integers.