Pronunciation: (swon),[key] —n. 1. any of several large, stately aquatic birds of the subfamily Anserinae, having a long, slender neck and usually pure-white plumage in the adult. Cf. mute swan, trumpeter swan, whistling swan, whooper swan. 2. a person or thing of unusual beauty, excellence, purity, or the like.
3. Literary.a person who sings sweetly or a poet.
4. (cap.) Astron.the constellation Cygnus.
Pronunciation: (swon),[key] —v.i. Midland and Southern U.S. Older Use.to swear or declare (used with I): Well, I swan, I never expected to see you here!
Pronunciation: (swon),[key] —n. Sir Joseph Wilson, 1828–1914, British chemist, electrical engineer, and inventor.