Me"di*ate (?), a. [L. mediatus, p. p. of mediare, v. t., to halve, v. i., to be in the middle. See Mid, and cf. Moiety.] 1. Being between the two extremes; middle; interposed; intervening; intermediate. Prior.

2. Acting by means, or by an intervening cause or instrument; not direct or immediate; acting or suffering through an intervening agent or condition.

3. Gained or effected by a medium or condition. Bacon.

An act of mediate knowledge is complex.
Sir W. Hamilton.

Me"di*ate (?), v. i. [imp. & p. p. Mediated (?); p. pr. & vb. n. Mediating.] [LL. mediatus, p. p. of mediare to mediate. See Mediate, a.]

1. To be in the middle, or between two; to intervene. [R.]

2. To interpose between parties, as the equal friend of each, esp. for the purpose of effecting a reconciliation or agreement; as, to mediate between nations.

Me"di*ate, v. t. 1. To effect by mediation or interposition; to bring about as a mediator, instrument, or means; as, to mediate a peace.

2. To divide into two equal parts. [R.] Holder.