brain stem Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the part of the brain connecting to the spinal cord. Example Sentence The brain stem works when you are asleep and awake. More Example Sentences Breathing is managed by the brain stem. Synonyms medulla; hindbrain; brain base Antonyms heart Hear It! Say It! Write It! brain stem Switch to cursive Start Share with your friends:
