Aquil[ae]

from The Collaborative International Dictionary of English v.0.48

Aquila \Aq"ui*la\, n.; pl. {Aquil[ae]}. [L., an eagle.]
   1. (Zool.) A genus of eagles.
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   2. (Astron.) A northern constellation southerly from Lyra and
      Cygnus and preceding the Dolphin; the Eagle.
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   {Aquila alba} [L., white eagle], an alchemical name of
      {calomel}. --Brande & C.
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