swan -- (stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult)
Overview of verb swan
The verb swan has 3 senses
affirm, verify, assert, avow, aver, swan, swear -- (to declare or affirm solemnly and formally as true; "Before God I swear I am innocent")
roll, wander, swan, stray, tramp, roam, cast, ramble, rove, range, drift, vagabond -- (move about aimlessly or without any destination, often in search of food or employment; "The gypsies roamed the woods"; "roving vagabonds"; "the wandering Jew"; "The cattle roam across the prairie"; "the laborers drift from one town to the next"; "They rolled from town to town")
swan -- (sweep majestically; "Airplanes were swanning over the mountains")