a mast
They sails are attached to the masts of the ship. The mast is a pole that runs straight up or angled up out of the deck of the ship.
They are referred to as four-cornered sails.
They were referred to as "four-cornered" sails.
The name of the microorganism is vibrio cholerae. It is gram negative curved rod with a flagellum attached to one of the poles.
The name of the device that regulates the amount of fuel going into the engine of a personal watercraft is the throttle.
A Submariner
Sailor
tne name of the semicircle joining the poles to poles is called merdian
Feluccas or dhows.
"Four-cornered".
NZ's largest city, Auckland is known as the 'City of Sails'.