Source : Webster's Revised Unabridged Dictionary (1913)

Vociferate \Vo*cif"er*ate\, v. t. [imp. & p. p. {Vociferated};
   p. pr. & vb. n. {Vociferating}.]
   To utter with a loud voice; to shout out.

         Though he may vociferate the word liberty. --V. Knox.