bayonets Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a weapon like a knife attached to the front end of a rifle for use in close fighting Example Sentence The army hands out the bayonets to the soldiers. Synonyms knife; dagger; pierce Antonyms spoon Hear It! Say It! Write It! bayonets Switch to cursive Start Share with your friends: