bronchioli Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. any of the smallest bronchial ducts; ending in alveoli Example Sentence Are your bronchioli damaged? Synonyms duct; epithelial duct; bronchial ducts Antonyms duct tape Hear It! Say It! Write It! bronchioli Switch to cursive Start Share with your friends: