The mast.
Mizzen Mast,Foremast,Main Mast,Rudder,Bow,Stern
There were many parts on a colonial ship. Some of those parts included the rudders, bow, stern, sails, mast, a wheel house, store room, deck, and an engine room.
The mast of a ship is very important to the movement and navigation of the ship.
Hull, mast, sail, lines, anchor, lights, keel, galley
You are describing the mast.
bow bilge stern deck mast sails keel rigging hull bulkhead
The main mast is the tallest of all masts on the ship. If all masts are the same height, then the one with the top navigationlight is the main mast. If there is only one mast, then that would be the main mast.
A mast
the lookout who was stationed at the top of the mast
The ship's mast stood tall against the clear blue sky.
A mast