circular stair

circular stair

A stair having a cylindrical shape. See also: stair

circular stair

Same as spiral stair; a stair having a cylindrical staircase.

spiral stair, caracole, circular stair, cockle stair, corkscrew stair, spiral staircase

spiral stair A flight of stairs, circular in plan, whose treads wind around a central newel. Also called a helical stair, solid newel stair.