third battle of Ypres

Noun

1.

third battle of Ypres - 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, Ypres

battle of Ypres, Belgique, Belgium, First World War, Great War, Kingdom of Belgium, pitched battle, War to End War, World War 1, World War I, Ypres