Zi Collection, Upper Volume Radical: Mouth (kǒu) Page 178, Entry 05 According to the Jade Chapters (Yupian), the pronunciation is represented by the characters for mouth and close. According to the Collected Rhymes (Jiyun) and the Classified Dictionary (Leipian), the pronunciation is represented by the characters for thirst and close. Pronounced he. It means to close or to seal.