Source : Webster's Revised Unabridged Dictionary (1913)

Rebuke \Re*buke"\, v. t. [imp. & p. p. {Rebuked}; p. pr. & vb.
   n. {Rebuking}.] [OF. rebouquier to dull, blunt, F. reboucher;
   perhaps fr. pref. re- re- + bouche mouth, OF. also bouque, L.
   bucca cheek; if so, the original sense was, to stop the mouth
   of; hence, to stop, obstruct.]
   To check, silence, or put down, with reproof; to restrain by
   expression of disapprobation; to reprehend sharply and
   summarily; to chide; to reprove; to admonish.

         The proud he tamed, the penitent he cheered, Nor to
         rebuke the rich offender feared.         --Dryden.

   Syn: To reprove; chide; check; chasten; restrain; silence.
        See {Reprove}.