you use a sextant to navigate.
A sextant is a navigational instrument that sights upon the stars to determine a ship's position. This instrument was crucial to naval navigation until global positioning became a reality in the late 20th century. "Henry the Navigator prized his sextant while on his journeys to the New World." "The ship's position is determined by the use of the ship's navigator using a sextant."
Yes Christopher Columbus did use a sextant along with a compass, ampoletta, and a cross staff.
by using it
use it by saying- how can you use the word ebullient in a sentence?
How can you use the word infectious in a sentence
Can you use the word concluding in a sentence? Done.
You can use the word Truss in a sentence like this.
sextant
Just use it! Or do you mean, can you use the word beheld in a sentence.
the sextant
Since that is not a word I would not attempt to use it in a sentence.