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.]

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.

Source: Webster's Revised Unabridged Dictionary (1913)