| 1. | (noun) battle in World War I (1914); heavy but indecisive fighting as the Allies and the Germans both tried to break through the lines of the others | 
	
	
	 |  | Synonyms: battle of Ypres, first battle of Ypres | 
        
	
	
	 |  | Related Words: pitched battle | 
        
	
	| 
 | 
        
         | 2. | (noun) battle in World War I (1915); Germans wanted to try chlorine (a toxic yellow gas) as a weapon and succeeded in taking considerable territory from the Allied salient | 
	
	
	 |  | Synonyms: battle of Ypres, second battle of Ypres | 
        
	
	
	 |  | Related Words: pitched battle | 
        
	
	| 
 | 
        
         | 3. | (noun) battle in World War I (1917); an Allied offensive which eventually failed because tanks bogged down in the waterlogged soil of Flanders; Germans introduced mustard gas which interfered with the Allied artillery | 
	
	
	 |  | Synonyms: battle of Ypres, third battle of Ypres | 
        
	
	
	 |  | Related Words: pitched battle | 
        
	
	| 
 |