n (nautical)(British) The flag, consisting of the flags of England, Scotland, and Northern Ireland combined, flown on ships of the government of the United Kingdom
n (nautical)(US) The flag, consisting of the blue star-studded field in the corner of the national ensign, flown at the jack staff by ships at anchor'US FM 55-501 MARINE CREWMAN’S HANDBOOK; 1 December 1999'.