Definition of flat:
		
	
		
		
		(adj) :
		
		having no variations in 
altitude; deflated, especially because of a 
puncture
		 
								
				"the land around here is flat."
			
			
	
		
		
		(v) :
		
		so as to be flat; bluntly
		
								
				"spread the tablecloth flat over the table."
			
			
	
		
		
		(n) :
		
		a note played a 
semitone lower than a 
natural, denoted by the symbol 
â™ sign placed after the letter representing the note (e.g., Bâ™Â) or in front of the note symbol (e.g. â™Â♪); an 
apartment
		 
								
				"she liked to walk in her flats more than in her high heels."