The Collaborative International Dictionary of English v.0.48:

Corbie \Cor"bie\ or Corby \Cor"by\ (k[^o]r"b[y^]), n.; pl.
   Corbies (-b[i^]z). [F. corbeau, OF. corbel, dim. fr. L.
   corvus raven.]
   1. (Zool.) The raven. [Scot.]
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   2. (her.) A raven, crow, or chough, used as a charge.
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   Corbie crow, the carrion crow. [Scot.]
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