忌口 Traditional form: 忌口 Pinyin (reading): jìkǒu Definitions: abstain from certain food (as when ill) avoid certain foods be on a diet Characters: 忌 - jealous, envious; to fear; to shun 口 - mouth; entrance, gate, opening Traditional characters: 忌 - jealous, envious; to fear; to shun 口 - mouth; entrance, gate, opening