reef whitetip shark reefw·hi·te·tipshark uncommon noun 1. smooth dogfish of Pacific and Indian oceans and Red Sea having white-tipped dorsal and caudal fins Synonymswhitetip sharkreef whitetip sharkTriaenodon obseus Related words Broader terms smooth dogfish Parts Triaenodon WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
