Any visitor to the school has to be authorized by the school office.
He returned home to find that a visitor had left a note on his door.
The visitor was kindly welcomed.
The visitor wanted to see the sights.
My mother is a frequent visitor to the mall.
A translunar visitor is called an alien.
I am not writing a sentence using that word.
I can give you a sentence using the word galaxy.
a sentence using the word endotracheal
This is a sentence using the word aviator.
I am saying a sentence using the word collagen.
This is a sentence using the word monomer. :P
this is a sentence using the word armchair.
It's an adjective.