third of the ten Heavenly Stems 十天干[shi2 tian1 gan1], third in order, letter "C" or Roman "III" in list "A, B, C", or "I, II, III" etc, ancient Chinese compass point: 165°, propyl
(bound form) base; foundation, (bound form) radical (chemistry), (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)