Bowwow

• (n.) An onomatopoetic name for a dog or its bark. • (a.) Onomatopoetic; as, the bowwow theory of language; a bowwow word.
Found on http://thinkexist.com/dictionary/meaning/bowwow/

Bowwow

Bow'wow` noun An onomatopoetic name for a dog or its bark. -- adjective Onomatopoetic; as, the bowwow theory of language; a bowwow word. [ Jocose.]
Found on http://www.encyclo.co.uk/webster/B/88
No exact match found