impalla

from The Collaborative International Dictionary of English v.0.48
impala \im*pa"la\, n.
   An antelope ({Aepyceros melampus}) of Southeastern Africa,
   the male of which has ringed lyre-shaped horns, which curve
   first backward, then sideways, then upwards. ALso called
   {impalla} and {pallah}.
   [PJC]
    
from The Collaborative International Dictionary of English v.0.48
Impalla \Im*pal"la\, n. (Zool.)
   Same as {Impala}.
   [1913 Webster]
    

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