Definitions
a way of access (upward and downward) consisting of a set of steps
Word origin
From stair + case.
Used in a sentence
“I was on the staircase by the bell / Blinded by the black magician's spell”
“Oliver immediately gets a 'guided tour, Felix wheeling through libraries and endless colour-coded rooms, up and down staircases and along echoing halls where various "dead relly[s]" stare down from the walls.”
“This leads to much smoother reconstructions in regions of moderate gradient and thus prevents staircasing.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Indoor set of steps”9 letters
02“Set of indoor steps”9 letters
Not quite right?
"Search similar patterns."
S________