noun
: the meridian of 0 degrees longitude which runs through the original site of the Royal Observatory at Greenwich, England, and from which other longitudes are reckoned east and west around the world to 180 degrees — compare national meridian
noun
: the meridian of 0 degrees longitude which runs through the original site of the Royal Observatory at Greenwich, England, and from which other longitudes are reckoned east and west around the world to 180 degrees — compare national meridian
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012