STAIRCASE
    
Meaning of STAIRCASE in English
	
/stair"kays'/ , n.
a flight of stairs with its framework, banisters, etc., or a series of such flights.
 [ 1615-25; STAIR + CASE 2 ]
	
	
	Random House Webster's Unabridged English dictionary.
    	Полный английский словарь Вебстер - Random House .
	2012