angled stair

angled stair

[′aŋ·gəld ′ster]
(architecture)
A stair in which successive flights are at an angle of other than 180° to each other (often at 90°), with an intermediate platform between them.

angled stair

A stair whose successive flights are at an angle other than 180° to each other (often the angles are at 90°), with an intermediate platform between them.
References in periodicals archive ?
To get into the pool at the stadium it is by ladder type steps which are very difficult for people with arthritic joints as opposed to angled stair type steps.
One is an angled stair that gives every public room and the master suite an interesting angled wall.
The narrow, cobbled streets of the old city suddenly become steeply angled stairs, unnavigable by traffic.