also tau·taug T0061500 (tô′tôg′, -tŏg′, tô-tôg′, -tŏg′)n. A dark-colored, edible wrasse (Tautoga onitis) found along the North American Atlantic coast, having a blunt snout and a long dorsal fin. Also called blackfish.[Narragansett tautaũog, pl. of taut, a kind of fish.]EncyclopediaSeetautog