胼胝 piánzhī callus Origin Definitions Defs Strokes Stroke Words Sentences Sents 胼胝体 piánzhītǐ corpus callosum (anatomy) a broad band of nerve fibers joining the two hemispheres of the brain手足胼胝 shǒuzúpiánzhī hardworking (literary) hands and feet covered in calluses; used to describe working extremely hard and enduring great toil