toadfish Syllabification: (toad·fish)Pronunciation: /ˈtōdˌfiSH/Definition of toadfish noun (plural same or toadfishes) any of a number of fishes with a wide flattened head. a chiefly bottom-dwelling large-mouthed fish of warm seas that can produce loud grunts (family Batrachoididae: several genera). toadfish in other Oxford dictionaries Definition of toadfish in the British & World English dictionary