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[stair-keys] /ˈstɛərˌkeɪs/
a flight of stairs with its framework, banisters, etc., or a series of such flights.
Origin of staircase
First recorded in 1615-25; stair + case2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for staircase
Contemporary Examples
Historical Examples
  • He waited in the lower hall until she had reached the top of the staircase.

    K Mary Roberts Rinehart
  • He ran up the staircase to his room and flung on some clothing.

    K Mary Roberts Rinehart
  • The crowd is around the foot of the staircase waiting for the elevator.

  • John went towards the staircase, but his uncle called him back.

    The Foolish Lovers St. John G. Ervine
  • He was left in the entry hall, the servant hurrying to the staircase and up.

    The Black Bag Louis Joseph Vance
British Dictionary definitions for staircase


a flight of stairs, its supporting framework, and, usually, a handrail or banisters
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for staircase

also stair-case, 1620s, originally the enclosure of the stairs, from stair + case (n.2) in its sense "frame;" e.g. former window-case, door-case.

Online Etymology Dictionary, © 2010 Douglas Harper
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staircase in Medicine

staircase stair·case (stâr'kās')
A series of reactions or responses that follow one another in progressively increasing or decreasing intensity, so that a chart shows a continuous rise or fall.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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