Defn: One who defines or explains.

DEFINITE
Def"i*nite, a. Etym: [L. definitis, p. p. of definire: cf. F. défini.
See Define.]

1. Having certain or distinct; determinate in extent or greatness; limited; fixed; 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; fixed; exact; clear; as, a definite word, term, or expression.

3. Determined; resolved. [Obs.] Shak.

4. Serving to define or restrict; limiting; determining; as, the definite article. Definite article (Gram.), the article the, which is used to designate a particular person or thing, or a particular class of persons or things; — also called a definitive. See Definitive, n. — Definite inflorescence. (Bot.) See Determinate inflorescence, under Determinate. — Law of definite proportions (Chem.), the essential law of chemical combination that every definite compound always contains the same elements in the same proportions by weight; and, if two or more elements form more than one compound with each other, the relative proportions of each are fixed. Compare Law of multiple proportions, under Multiple.

DEFINITE
Def"i*nite, n.

Defn: A thing defined or determined. [Obs.]

DEFINITELY
Def"i*nite*ly, adv.

Defn: In a definite manner; with precision; precisely; determinately.