'Composite number' definitions:

Definition of 'composite number'

noun

An integer that is divisible without remainder by at least one positive integer other than itself and one

From: GCIDE

Composite \Com*pos"ite\ (?; 277), a. [L. compositus made up of parts, p. p. of componere. See Compound, v. t., and cf. Compost.]
1. Made up of distinct parts or elements; compounded; as, a composite language. [1913 Webster]
Happiness, like air and water . . . is composite. --Landor. [1913 Webster]
2. (Arch.) Belonging to a certain order which is composed of the Ionic order grafted upon the Corinthian. It is called also the Roman or the Italic order, and is one of the five orders recognized by the Italian writers of the sixteenth century. See Capital. [1913 Webster]
3. (Bot.) Belonging to the order Composit[ae]; bearing involucrate heads of many small florets, as the daisy, thistle, and dandelion. [1913 Webster]
Composite carriage, a railroad car having compartments of different classes. [Eng.]
Composite number (Math.), one which can be divided exactly by a number exceeding unity, as 6 by 2 or 3..
Composite photograph or Composite portrait, one made by a combination, or blending, of several distinct photographs. --F. Galton.
Composite sailing (Naut.), a combination of parallel and great circle sailing.
Composite ship, one with a wooden casing and iron frame. [1913 Webster]