Source : Webster's Revised Unabridged Dictionary (1913)

Allocution \Al`lo*cu"tion\, n. [L. allocuto, fr. alloqui to
   speak to; ad + loqui to speak: cf. F. allocution.]
   1. The act or manner of speaking to, or of addressing in
      words.

   2. An address; a hortatory or authoritative address as of a
      pope to his clergy. --Addison.

Source : WordNet®

allocution
     n : (rhetoric) a formal or authoritative address that advises or
         exhorts