staircase

Plural: staircases

Noun

a way of access (upward and downward) consisting of a set of steps
A flight of stairs; a stairway.
A connected set of flights of stairs; a stairwell.
A set of locks (enclosed sections of waterway) mounted one above the next.

Verb

To modify (a signal, a graph, etc.) to reduce a smooth curve to a series of discrete steps.
To increase one's share in a co-ownership.

Origin / Etymology

From stair + case.

Synonyms

stairway

Scrabble Score: 11

staircase: valid Scrabble (US) TWL Word
staircase: valid Scrabble Word in Merriam-Webster MW Dictionary
staircase: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 12

staircase: valid Words With Friends Word