From The Collaborative International Dictionary of English v.0.48:
Mediate \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.]
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1. To be in the middle, or between two; to intervene. [R.]
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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.
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From The Collaborative International Dictionary of English v.0.48:
Mediate \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.
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2. To divide into two equal parts. [R.] --Holder.
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From The Collaborative International Dictionary of English v.0.48:
Mediate \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.
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2. Acting by means, or by an intervening cause or instrument;
not direct or immediate; acting or suffering through an
intervening agent or condition.
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3. Gained or effected by a medium or condition. --Bacon.
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An act of mediate knowledge is complex. --Sir W.
Hamilton.
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