Here are the possible solutions for staircase element clue
Answer
Clue
Relevancy
newel
Clue
Staircase element
Definition
a post supporting the handrail of a staircase
riser
Clue
Staircase element
atom
Clue
Element element
Definition
the smallest particle in an element which can take part in a chemical reaction
any
Clue
"... card, ___ card" (Last week: The two diagonally hidden 18-letter titles were "Up the Down Staircase" and "Upstairs, Downstairs." The latter answer turned downward at the D of "Downstairs.")