The large post at the beginning, at a turn, or at the end of a stair railing which the horizontal handrail and vertical balusters are attached to for stability.
And in keeping with the holiday season, I thought I'd share where I first learned what a newel post was - from my favorite family man, Clark W. Griswold!
This is my favorite holiday movie. My husband and I watch it three times a season - first on Thanksgiving to signify the start of Christmas, once mid-December with some hot spiked cider, and always with my Dad on Christmas day. Hope you're enjoying your family traditions like we are!