swan

nouns

stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult
is a member of
swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
is a type of (narrower)
wading and swimming and diving birds of either fresh or salt water

verbs

to declare or affirm solemnly and formally as true
"Before God I swear I am innocent"
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"
sweep majestically
"Airplanes were swanning over the mountains"
is a type of (narrower)
move with sweeping, effortless, gliding motions
"The diva swept into the room"; "Shreds of paper sailed through the air"; "The searchlights swept across the sky"