齿冠 chǐguān crown of a tooth Definitions Defs Origin 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冠 guān crest something shaped like a hat, such as a bird's crest or a flower's corona