Triceratops (try-SAIR-uh-tops) was a kind of dinosaur. It lived long ago. It was about the same size as an elephant. Its head was very big! It had a huge neck frill. It was like a big collar. The frill was made of solid bone. Triceratops means "three horned face." It had a long horn above each eye. It had a shorter horn above its nose. It ate plants. Its mouth was called a beak. The beak was like a turtle's mouth. It used its beak to bite off leaves .....