1. To grow larger; to dilate or extend the exterior surface or dimensions, by matter added within, or by expansion of the inclosed substance; as, the legs swell in dropsy; a bruised part swells; a bladder swells by inflation. 2. To increase in size or extent by any addition; to increase in volume or force; as, a river swells, and overflows its banks; sounds swell or diminish. 3. ...
