Narrow Channel Rule. Rule of Collision Regulations. Requires a vessel navigating a narrow channel to keep to that side of mid-channel that is on her starboard hand.
Narrows. Areas where navigable waters become narrow due to shoals or adjacent land.
Narrow Seas. Seas as distinguished from oceans. Seas having no great breadth. At one time, was especially applied to English Channel.
Narrow Waters. Areas in which navigable waters become narrow due to shoals or land.
Narwhal. Member of the whale family. Male has left tusk developed into a spiral horn, 6 to 10 ft. long, right tusk being rudimentary. Were formerly met with around 80°N, and hunted for their excellent oil.