Pillar of a Staircase
This page is the CodyCross answer for the clue below from Pet Shop, Group 348, Puzzle 5 (Exercise Pens).
Question is: Pillar of a Staircase
and the answer is: NEWELPOST
Word Meaning:
NEWEL POST — Synonym of newel (either of two kinds of supporting post in a staircase).
Definitions from Wiktionary.