bronchioli Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. small branches of the bronchial tubes in the lungs. Example Sentence Are your bronchioli damaged? More Example Sentences Inflamed bronchioli can make breathing hard. Synonyms airways; bronchi; passages Antonyms duct tape Hear It! Say It! Write It! bronchioli Switch to cursive Start Share with your friends: