spiral staircase
Noun
Meaning
a spiral staircase
spiral staircase (plural spiral staircases)
A staircase in the form of a helix.
Synonyms
Examples
Many a man may look respectable, and yet be able to hide at will behind a spiral staircase.
I remember in 37 when trolley cars were so big in New York. It was five cents for a ride... There used to be open-air buses, and you could go up a spiral staircase and sit up on top. Those were great, great days.
He is crooked enough to hide behind a spiral staircase.
Also there is a spiral staircase winding upwards between the inner and outer wall and connecting the galleries.
Based on Nansen's observations of ocean currents recorded during the Fram expedition, Ekman concluded that the effect of wind on the sea's surface produced currents which "formed something like a spiral staircase, down towards the depths".
An easy way to duplicate objects around a specified axis with a specified offset – to make a spiral staircase, for example.