Definite

a. [Lat. definitus, p. p. of definire; It. definito, Fr. defini. See DEFINE.] 1. Having certain limits; determinate in extent or greatness; as, definite dimensions; a definite measure; a definite period or interval. Elements combine in definite proportions. Whewell.

2. Having certain limits in signification; determinate; certain; precise; as, a definite word, term, or expression.
3. Fixed; determinate; exact; precise; as, a definite point of time.
4. Serving to define or restrict; limiting; determining; as, the definite article.