What does third battle of Ypres mean?
• THIRD BATTLE OF YPRES (noun) The noun THIRD BATTLE OF YPRES has 1 sense: 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 Familiarity information: THIRD BATTLE OF YPRES used as a noun is very rare.