spiral staircase


Definition of spiral staircase

  1. :  a set of stairs that winds around a central post or column

Word by Word Definitions

  1. :  winding around a center or pole and gradually receding from or approaching it

    :  helical

    :  spiral-bound

  1. :  the path of a point in a plane moving around a central point while continuously receding from or approaching it

    :  a three-dimensional curve (as a helix) with one or more turns about an axis

    :  a single turn or coil in a spiral object

  1. :  to go and especially to rise or fall in a spiral course

    :  to form into a spiral

    :  to cause to spiral

  1. :  the structure containing a stairway

    :  a flight of stairs with the supporting framework, casing, and balusters

Seen and Heard

What made you want to look up spiral staircase? Please tell us where you read or heard it (including the quote, if possible).


a rounded knoll or a ridge of ice

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