The Collaborative International Dictionary of English v.0.48:

Nyula \Ny*u"la\, prop. n. (Zool.)
   A species of ichneumon (Herpestes nyula). Its fur is
   beautifully variegated by closely set zigzag markings.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Herpestes nyula
    n 1: keen-sighted viverrine of southern Asia about the size of a
         ferret; often domesticated [syn: Indian mongoose,
         Herpestes nyula]