The Collaborative International Dictionary of English v.0.48:

Taunt \Taunt\, v. t. [imp. & p. p. Taunted; p. pr. & vb. n.
   Taunting.] [Earlier, to tease; probably fr. OF. tanter to
   tempt, to try, for tenter. See Tempt.]
   To reproach with severe or insulting words; to revile; to
   upbraid; to jeer at; to flout.
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         When I had at my pleasure taunted her.   --Shak.
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   Syn: To deride; ridicule; mock; jeer; flout; revile. See
        Deride.
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