crenelations Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a pattern of alternating high and low sections on a wall or battlement Example Sentence The castle had crenelations on its walls. Synonyms notch; dent; groove Antonyms smooth; flat Hear It! Say It! Write It! crenelations Switch to cursive Start Share with your friends: