/swel"ing/ , n.
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.
[ bef. 900; ME, OE; see SWELL, -ING 1 ]