battle of Ypres
The noun has 3 meanings:
Meaning #1:
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: Ypres, third battle of Ypres
Meaning #2:
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: Ypres, second battle of Ypres
Meaning #3:
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: Ypres, first battle of Ypres



