Union Flag. The National Ensign of Great Britain, commonly called the Jack, or Union Jack.
In this Union-Flag we have three crosses,viz., that of St. George for England, of 8t. Andrew for Scotland, and St. Patrick for Ireland ; properly combined according to the rules of heraldry, as follows : On a field az., the cross saltier of St. Andrew ar., surmounted by that of St. Patrick, gu., over all the red cross of St. George, fimbriated of the second. P. 7, f. 21. See Elvin's Anecdotes of Heraldry.