S-shaped

They could have easily made the road straight, but it’s more dramatic for the road to be an S-shaped curve, I guess.

Of the different configurations of four pixels the researchers tried -- square, or S-, J- or T-shaped -- they found through repeated experiments that the most precise results were provided by the S-shaped array.

The two men stayed together in the open, carving wide S-shaped turns.

The Feynman sprinkler problem is typically framed as a thought experiment about a type of lawn sprinkler that spins when fluid, such as water, is expelled out of its S-shaped tubes or "arms."

Graham wore an edgy black ripped corset and long sheer skirt, while other models wore form-hugging jersey dresses fitted with S-shaped metallic fixtures that sculpted their curves.