Source : Webster's Revised Unabridged Dictionary (1913)

Verbigerate \Ver*big"er*ate\, v. i. [imp. & p. p. {-ated}; p.
   pr. & vb. n. {-ating}.] [L. verbigerate, -atum, to talk.]
   1. To talk; chat. [Obs.]

   2. (Med.) To repeat a word or sentence, in speaking or
      writing, without wishing to do so or in spite of efforts
      to cease. -- {Ver*big`er*a"tion}, n.