an annual U.S. Coast Guard patrol of the North Atlantic during the ice season to ascertain the locations of icebergs and to warn ships: undertaken under a 1914 international agreement between 14 maritime countries.
INTERNATIONAL ICE PATROL
Meaning of INTERNATIONAL ICE PATROL in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012