| an insectivorous iguanid lizard of the genus Phrynosoma, of western North America, having hornlike spines on the head and a flattened body covered with spiny scales. |
| horned lizard n. Any of several lizards of the genus Phrynosoma of western North America and Central America, having hornlike projections on the head, a spiny flattened body, and a short tail. Also called horned toad. |