English Dictionary

staircase

/ˈstɛɹˌkeɪs/

noun

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.

I tripped and fell down the staircase.

意味（1）

A flight of stairs; a stairway.

意味（2）

A connected set of flights of stairs; a stairwell.

Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when, of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.

意味（3）

A set of locks (enclosed sections of waterway) mounted one above the next.