Source : WordNet®

whitetip shark
     n 1: smooth dogfish of Pacific and Indian oceans and Red Sea
          having white-tipped dorsal and caudal fins [syn: {reef
          whitetip shark}, {Triaenodon obseus}]
     2: large deep-water shark with white-tipped dorsal fin;
        worldwide distribution; most dangerous shark [syn: {oceanic
        whitetip shark}, {white-tipped shark}, {Carcharinus
        longimanus}]