expectorate, expectorates, expectorating 1. To eject from the throat or lungs by coughing and spitting. 2. To eject saliva, mucus, or other body fluid from the mouth; to spit. 3. To clear out the chest and lungs by coughing up and spitting out matter; such as, mucous. 4. To cough up and spit out phlegm, thus clearing the bronchial passages. 5. ... Found on http://www.wordinfo.info/words/index/info/view_unit/1588/