BALLAST
    
Meaning of BALLAST in English
	
n.
Function: transitive verb
 Date: 1538
1 : to steady or equip with or as if with ballast
 2 : to fill in (as a railroad bed) with ballast
	
	
	Merriam Webster Collegiate English Dictionary.
    	Merriam Webster - Энциклопедический словарь английского языка.
	2012