swan's neck

or swan neck

noun

1. a shallow S-curve used in decorative work.

Example Sentences

Then Adelaide stood in front of Hazel, positioned her own feet, stuck her arm in the air in an arc like a swan’s neck, and bent her legs so she slowly dropped toward the ground.

From Literature

In his mind he pictured her neck, her long neck, her swan’s neck, her Alice in Wonderland neck coiling like a serpent, like a serpent, coiling down on him.

From The Guardian

Even RT’s World Cup intro film is a thing of luminous beauty, cut with mind-numbing shots of Russian ballerinas curling themselves into swan’s neck shapes and doing beautifully rippling slow‑motion keep-ups.

From The Guardian

For instance, to form the curves of a swan’s neck, the part that is cut away is used to make tail feathers.

From Washington Times

I’d never seen anything like its shape — a Russian onion dome topped with a swan’s neck.

From Washington Post