The Collaborative International Dictionary of English v.0.48:
Wou-wou \Wou"-wou`\, n. [So called from its cry.] (Zool.) The agile, or silvery, gibbon; -- called also camper. See Gibbon. [Written also wow-wow.] [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Wow-wow \Wow"-wow"\, n. (Zool.) See Wou-wou. [1913 Webster]