spiral staircase

British  

noun

1. a staircase constructed around a central axis

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Example Sentences

One of the newest Four Seasons suites includes a private outdoor gym, panoramic floor-to-ceiling windows and a gilded spiral staircase snaking between its four floors.

From The Wall Street Journal

Up a spiral staircase in his Nairobi workshop, surrounded by springs and stems, minute hands and hour chimes, Ravinder maintains a family tradition that spans two anti-colonial uprisings, three continents and five generations.

From The Wall Street Journal

After seeing an X-ray image of DNA taken by crystallographer Rosalind Franklin, they built a 6-foot-tall metal model of a double helix, shaped like a spiral staircase, with the rungs made of the bases adenine and thymine, guanine and cytosine.

From Los Angeles Times

“The mansion features seven marble fireplaces, original chandeliers and sconces, a Virginia blue slate roof, copper gutters and downspouts, and a floating spiral staircase that is rumored to be the first in the country,” it continues.

From MarketWatch

For instance, an outdoor spiral staircase, a connection between the deck and the ground-floor garage studio, is a striking feature.

From Los Angeles Times