A large carnivorous horned toad, Ceratophrys ornata, with sharp tooth-like projections in its very large mouth.

A Citheronia regalis moth in its caterpillar stage.

plural of hickory horned devil

A critically endangered antelope, Oryx dammah, living in the arid plains and deserts of North Africa.

A gazelle with slender horns adapted to desert life, Gazella leptoceros.

(idiomatic) To deal with a matter in a direct manner, especially to confront a difficulty rather than avoid it.

A large owl, Bubo virginianus, resident in North America, having tufts on its ears.

A horn on a fire alarm that sounds in case of fire, either automatically when the system detects fire or manually when the alarm is pulled, to alert the occupants of a building or complex of the hazard.

Alternative form of pull in one's horns

(idiomatic) To become less impassioned, aggressive, or argumentative; to exercise restraint; to yield or capitulate.