| Noun | 1. | horned toad - insectivorous lizard with hornlike spines on the head and spiny scales on the body; of western North Americaiguanid, iguanid lizard - lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males genus Phrynosoma, Phrynosoma - horned lizards Phrynosoma cornutum, Texas horned lizard - of arid and semiarid open country |