lubber : Idioms & Phrases

• a name given in contempt by sailors to a person who lives on land.

Webster 1913

• (Zoöl.), a large, stout, clumsy grasshopper; esp., Brachystola magna, from the Rocky Mountain plains, and Romalea microptera, which is injurious to orange trees in Florida.

Webster 1913

• noun a fixed line on a ship's compass indicating its heading
  lubber's line; lubber's mark; lubber line.
  

WordNet

• noun hole in a platform on a mast through which a sailor can climb without going out on the shrouds
  

WordNet

• (Naut.), a hole in the floor of the "top," next the mast, through which sailors may go aloft without going over the rim by the futtock shrouds. It is considered by seamen as only fit to be used by lubbers. Totten.

Webster 1913

• noun a fixed line on a ship's compass indicating its heading
  lubber's line; lubber's mark; lubber line.
  

WordNet

• a line or point in the compass case indicating the head of the ship, and consequently the course which the ship is steering.

Webster 1913

• noun a fixed line on a ship's compass indicating its heading
  lubber's line; lubber's mark; lubber line.
  

WordNet

• noun a fixed line on a ship's compass indicating its heading
  lubber's line; lubber's mark; lubber line.
  

WordNet