吐痰 Traditional form: 吐痰 Pinyin (reading): tǔtán Definitions: to spit to expectorate Characters: 吐 - to vomit, to spew out, to cough up; to say 痰 - mucus, phlegm, spit Traditional characters: 吐 - to vomit, to spew out, to cough up; to say 痰 - mucus, phlegm, spit