Pronunciation: (nOO'ul, nyOO'-), [key]
1. See newel post.
2. a central pillar or upright from which the steps of a winding stair radiate.
3. (on an escalator) the horizontal section of railing at the upper or lower end.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.