Elgar, Sir Edward Syllabification: (El·gar, Sir Edward)Pronunciation: /ˈelˌgär, -gər/Definition of Elgar, Sir Edward (1857–1934), English composer; full name Sir Edward William Elgar. He is known for the five Pomp and Circumstance marches (1901–30). Elgar, Sir Edward in other Oxford dictionaries Definition of Elgar, Sir Edward in the British & World English dictionary