/ Dictionary / Index S swelling: Meaning and Definition of Find definitions for: swell•ing Pronunciation: (swel'ing), [key] — n. the act of a person or thing that swells. the condition of being or becoming swollen. a swollen part; a protuberance or prominence. an abnormal enlargement or protuberance, as that resulting from edema. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: swelling (Thesaurus) swellhead swelter Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language