from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A foreign flag under which a merchant vessel is registered for purposes of reducing operating costs or avoiding government regulations.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Registration of a ship in a country chosen for its low taxes, permissive regulations, and so on.
- n. The flag flown by a ship so registered (which flag then corresponds to the country of registration).
Sorry, no etymologies found.