STEGOSAURUS Scrabble 12 Words With Friends 15 Definition noun herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon. — synonyms: stegosaur, Stegosaur_stenops See all 522 words you can make from STEGOSAURUS → 11-letter words Words starting with S Words ending with S ← Unscramble different letters