The Collaborative International Dictionary of English v.0.48:

Cake \Cake\ (k[=a]k), n. [OE. cake, kaak; akin to Dan. kage, Sw.
   & Icel. kaka, D. koek, G.kuchen, OHG. chuocho.]
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   1. A small mass of dough baked; especially, a thin loaf from
      unleavened dough; as, an oatmeal cake; johnnycake.
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   2. A sweetened composition of flour and other ingredients,
      leavened or unleavened, baked in a loaf or mass of any
      size or shape.
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   3. A thin wafer-shaped mass of fried batter; a griddlecake or
      pancake; as buckwheat cakes.
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   4. A mass of matter concreted, congealed, or molded into a
      solid mass of any form, esp. into a form rather flat than
      high; as, a cake of soap; an ague cake.
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            Cakes of rusting ice come rolling down the flood.
                                                  --Dryden.
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   Cake urchin (Zool), any species of flat sea urchins
      belonging to the Clypeastroidea.

   Oil cake the refuse of flax seed, cotton seed, or other
      vegetable substance from which oil has been expressed,
      compacted into a solid mass, and used as food for cattle,
      for manure, or for other purposes.

   To have one's cake dough, to fail or be disappointed in
      what one has undertaken or expected. --Shak.
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