KNUCKLE
    
Meaning of KNUCKLE in English
	
n.
1) to rap smb. on, over the ~s
2) to crack one's ~s
3) brass ~s ( AE ; BE has ~ duster )
	
	
	The Bbi combinatory dictionary of English, a guide to word combinations.
    	Комбинаторный словарь английского языка Bbi. Руководство по словосочетаниям.
	2012