The Mast
The
The Mast
The mainmast
It is called mast.
The mast(s).
the masts
It is called the mast
Mast
There are wires that hold up the tower from underground!
I believe you are referring to the shrouds and the stays that are attached to the mast(s) for stability. See the related link below:
Speed up to pass in front of the sailboat
A sail boat with an outboard motor is still a sailboat UNTIL the motor is turned on then it becomes a powerboat. A sailboat with it's sails up and the engine running is deemed to be a motor-sailer.