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• swan
  swan

  noun

  any of several large, stately aquatic birds of the subfamily Anserinae, having a long, slender neck and usually pure-white plumage in the adult.
• Swan
  Swan

  noun

  Sir Joseph Wilson, 1828–1914, British chemist, electrical engineer, and inventor.

swan

¹ American  

[swon] / swɒn /

noun

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.

2. a person or thing of unusual beauty, excellence, purity, or the like.

3. Literary. a person who sings sweetly or a poet.

4. Astronomy. Swan, the constellation Cygnus.

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swan ² American  

[swon] / swɒn /

verb (used without object)

1. Midland and Southern U.S. Older Use. to swear or declare (used withI ).

   Well, I swan, I never expected to see you here!

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Swan ³ American  

[swon] / swɒn /

noun

1. Sir Joseph Wilson, 1828–1914, British chemist, electrical engineer, and inventor.

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swan ¹ British  

/ swɒn /

noun

1. any large aquatic bird of the genera Cygnus and Coscoroba, having a long neck and usually a white plumage: family Anatidae, order Anseriformes

2. rare

   1. a poet

   2. ( capital when part of a title or epithet )

      the Swan of Avon (Shakespeare)

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verb

1. informal (intr; usually foll by around or about) to wander idly

Swan ² British  

/ swɒn /

noun

1. a river in SW Western Australia, rising as the Avon northeast of Narrogin and flowing northwest and west to the Indian Ocean below Perth. Length: about 240 km (150 miles)

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Swan ³ British  

/ swɒn /

noun

1. Sir Joseph Wilson. 1828–1914, English physicist and chemist, who developed the incandescent electric light (1880) independently of Edison

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Other Word Forms

• swanlike
  adjective

Etymology

Origin of swan¹

First recorded before 900; Middle English, Old English; cognate with German Schwan, Old Norse svanr

Origin of swan²

1775–85, probably continuing dial. (N England) I s'wan, shortening of I shall warrant

Explanation

In "The Ugly Duckling," a young bird is mistaken for a duck until it grows up to be a beautiful swan. A swan is a large bird with a long, elegant neck. You're most likely to see swans in the water, but they also spend some time on land. Baby swans are called cygnets, and as adults, they're either cobs (if male), or pens (if female). If you're lucky enough to see a whole group of swans swimming or flying together, you can call it a bevy of swans. Swan comes from a root meaning "to sing."

Example Sentences

In the Netflix film, Swan demonstrates with calipers on a life-size, anatomically correct male baby doll in a coffee shop to the nervous titters of the participants.

From Slate • Apr. 16, 2026

Swan, herself no stranger to the wellness-podcast circuit, was careful to insert the caveat that the film is “not a quote-unquote ‘scientific study.’

From Slate • Apr. 16, 2026

Swan had been working on the problem for decades, much earlier than Edison, as had other scientists—and they had already created functioning electric lamps, albeit not very effective or reliable ones.

From The Wall Street Journal • Apr. 5, 2026

It will be choreographed and directed by Rambert's artistic director Benoit Swan Pouffer, who will also co-write the script with dramaturg Kaite O'Reilly.

From BBC • Mar. 19, 2026

“Though I still think those ballerina costumes from Swan Lake would look lovely—” “No ballet!”

From "The Mark of Athena" by Rick Riordan