batrachoid adjective 2noun 1forms 3 adjective2 •(old-fashioned) Frog-like; batrachian. •Of or pertaining to the family Batrachoididae of marine fishes, called toadfish. noun1 •Any species of the family Batrachoididae; a batrachoidid.Regardless of the type of water in which they are found, batrachoids are primarily bottom fishes. — 1970 formsbatrachoids · more batrachoid · most batrachoid