Pronunciation: (swel'ing), [key]
1. the act of a person or thing that swells.
2. the condition of being or becoming swollen.
3. a swollen part; a protuberance or prominence.
4. Pathol.an abnormal enlargement or protuberance, as that resulting from edema.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.