Webster's Revised Unabridged Dictionary · 1913

Mediate

Mediate , 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.
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.
An act of mediate knowledge is complex. — Sir W. Hamilton

Mediate , v. i.

[LL. mediatus, p. p. of mediare to mediate. See Mediate, a.]

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

Mediate , 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.