'corkscrew stairs' definitions:

Definition of 'corkscrew stairs'

From: GCIDE
  • corkscrew \cork"screw`\ (k[^o]rk"skr[udd]`), a. shaped like a corkscrew; spiral; helical. [PJC]
  • corkscrew stairs, a spiral staircase around a solid newel. [1913 Webster]