definition of
swelling

[1] #1 swelling n. [puffiness, lump] an abnormal protuberance or localized enlargement. wn

[2] #2 swelling n. [bulge, bump, hump, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, extrusion, excrescence] something that bulges out or is protuberant or projects from its surroundings; "the gun in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence. wn

[3] #3 swelling n. [intumescence, intumescency] the increase in volume of certain substances when they are heated (often accompanied by release of water). wn