胼胝体 piánzhītǐ corpus callosum Origin Definitions Defs Strokes Stroke Words Sentences Sents 胼胝 piánzhī callus (literary) hardened skin on the hands or feet caused by friction or hard labor体 體 tǐ noun form (bound form) the form, state, or shape of a substance, such as a solid or liquid; the configuration or structure of an object