to remove a sail
A sailmaker
cobb
The vertical post to which a sail is attached is known as a mast. However, on the historical tall ships, the sail is attached to a horizontal beam known as a spar or boom. Some might say that the wind holds a sail. Or perhaps you are referring to the piece of rope (or line) that controls a particular sail. Please be more specifical.
Nef.
A flotilla.
Hauling or setting
The tip of a writer's quill is call the 'nib.'
A sign holder.
A lateen sail. Was/is able to be moved left or right. It made/makes ships easier to turn.
sails?
Turtle, that is what you call it when you tip your sailboat upside down