dou·rou·cou·li /ˌdʊrəˈkuli/
  Dou·rou·cou·li n. Zool. A small, nocturnal, South American monkey of the genus Aotus (formerly Nyctipithecus trivirgatus), with large owl-like eyes; hence, the common name owl monkey. [Written also Durukuli and dourikuli.]
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  Du·ru·ku·li n. Zool. A small, nocturnal, South American monkey of the genus Aotus (formerly Nyctipthecus trivirgatus). The owl monkey.  See douroucouli. [Written also douroucouli.]
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  douroucouli
       n : nocturnal monkey of Central America and South America with
           large eyes and thick fur [syn: Aotus trivirgatus]