CHAETODON Meaning of CHAETODON in English ˈ ̷ ̷ ̷ ̷ˌdän nounEtymology: New Latin, from chaet- + -odon 1. capitalized : the type genus of Chaetodontidae2. -s : any fish of the genus Chaetodon Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012