<p><strong>Noun</strong></p><ul><li>the art, practice, or work of treating diseases, injuries, or deformities by manual or operative procedures.</li><li>the branch of medicine concerned with such treatment.</li><li>treatment, as an operation, performed by a surgeon.</li><li>a room or place for surgical operations.</li><li>British: a doctor's or dentist's office or office hours.</li></ul>