from the GNU version of the Collaborative International Dictionary of English
- adj. Noting a flight of stairs, consisting of two or more straight portions connected by a platform (landing) or platforms, and running in opposite directions without an intervening wellhole.
from The Century Dictionary and Cyclopedia
- In architecture, a term applied to stairs which have no well-hole, the rail and balusters of the upper and under flights falling in the same vertical plane.
Sorry, no etymologies found.