The Collaborative International Dictionary of English v.0.48:
Spice \Spice\, v. t. [imp. & p. p. Spiced; p. p. & vb. n.
   Spicing.]
   1. To season with spice, or as with spice; to mix aromatic or
      pungent substances with; to flavor; to season; as, to
      spice wine; to spice one's words with wit.
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            She 'll receive thee, but will spice thy bread
            With flowery poisons.                 --Chapman.
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   2. To fill or impregnate with the odor of spices.
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            In the spiced Indian air, by night.   --Shak.
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   3. To render nice or dainty; hence, to render scrupulous.
      [Obs.] "A spiced conscience." --Chaucer.
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