The Collaborative International Dictionary of English v.0.48:

Spicy \Spi"cy\, a. [Compar. Spicier; superl. Spiciest.]
   [From Spice.]
   1. Flavored with, or containing, spice or spices; fragrant;
      aromatic; as, spicy breezes. "The spicy nut-brown ale."
      --Milton.
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            Led by new stars, and borne by spicy gales. --Pope.
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   2. Producing, or abounding with, spices.
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            In hot Ceylon spicy forests grew.     --Dryden.
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   3. Fig.: Piquant; racy; as, a spicy debate.
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   Syn: Aromatic; fragrant; smart; pungent; pointed; keen. See
        Racy.
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