My master preaches patience to him.
Shak.
To preach down, to oppress, or humiliate by preaching. Tennyson. -- To
preach up, to exalt by preaching; to preach in support of; as, to
preach up equality.
Preach, n. [Cf. F. prÍche, fr. prÍcher. See Preach, v.] A religious
discourse. [Obs.] Hooker.
Preach"er (?), n. [Cf. OF. preeschierre, prescheur, F. prÍcheur, L.
praedicator.] 1. One who preaches; one who discourses publicly on
religious subjects.
How shall they hear without a preacher?
Rom. x. 14.