- qi, chi, ch'i, ki - the circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health
--1 is a kind of energy, vim, vitality
- chi, khi - the 22nd letter of the Greek alphabet
--2 is a kind of letter, letter of the alphabet, alphabetic character
--2 is a member of Greek alphabet