present participle of staircase

The design and/or installation of a staircase.

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.

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

plural of staircase

simple past tense and past participle of staircase

A staircase in the form of a helix.

(rare, idiomatic) Thinking of an idea or course of action too late to use it effectively, or the tendency to do so.

An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to be one.

plural of spiral staircase