齿龋 chǐqǔ tooth decay Origin Definitions Defs Strokes Stroke Words Sentences Sents 齿 齒 chǐ noun tooth (bound form) tooth; teeth; refers specifically to the organs in the mouth used for chewing, as in 牙齿 yáchǐ龋 齲 qǔ decayed teeth (bound form) bad, decayed, or missing teeth; dental caries