The Collaborative International Dictionary of English v.0.48:

Boil \Boil\, v. t.
   1. To heat to the boiling point, or so as to cause
      ebullition; as, to boil water.
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   2. To form, or separate, by boiling or evaporation; as, to
      boil sugar or salt.
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   3. To subject to the action of heat in a boiling liquid so as
      to produce some specific effect, as cooking, cleansing,
      etc.; as, to boil meat; to boil clothes.
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            The stomach cook is for the hall,
            And boileth meate for them all.       --Gower.
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   4. To steep or soak in warm water. [Obs.]
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            To try whether seeds be old or new, the sense can
            not inform; but if you boil them in water, the new
            seeds will sprout sooner.             --Bacon.
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   To boil down, to reduce in bulk by boiling; as, to boil
      down sap or sirup.
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