n. [ Gr. chai`th hair + &unr_;, &unr_;, tooth. ] (Zool.) A marine fish of the family Chætodontidæ. The chætodonts have broad, compressed bodies, and usually bright colors. [ 1913 Webster ]

a. Of or pertaining to the Chætodonts or the family Chætodontidæ. [ 1913 Webster ]

n. a natural family comprising the butterfly fishes.
Syn. -- family Chaetodontidae. [ WordNet 1.5 ]