外科学 wàikēxué surgery Origin Definitions Defs Strokes Stroke Words Sentences Sents 外科 wàikē noun surgery The branch of medicine concerned with the treatment of injuries or diseases by manual or instrumental operations; the surgical department of a hospital.学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science