From Longman Dictionary of Contemporary Englishexpectorateex‧pec‧to‧rate /ɪkˈspektəreɪt/ verb [intransitive] formalHBH to force liquid out of your mouth SYN spit→ See Verb table
Examples from the Corpus
expectorate• Later tough mucus may form which is difficult to expectorate.• Whoosh! your lips expectorate a stream of self-igniting gasoline.• Inability to expectorate and is obliged to swallow any sputum that is raised; it may taste greasy.Origin expectorate (1600-1700) Latin past participle of expectorare, from pectus “chest” 