A pier is a structure sticking out over the sea used as a promenade or a landing stage.
The pier.
That is the correct spelling.
To "peer" can mean to look at something, or a "peer" can be someone of equal standing such as age group, social standing.
We boarded the ship at the pier.
I was playing in the fair at the pier
The pier jutted out into the ocean. We stood on the pier and fished for hours.
Kai is a Basque word that means pier of the harbor. The word kai is often used to mean strong or unbreakable in Burmese. It means triumphant in Chinese.
A pier is a waterfront structure from which you can fish, or to which you can moor a boat.
sambashi
The pier.
The official definition of the word pier is "a structure leading out from the shore into a body of water, in particular."
A homonym for the word "pier" is "peer," which sounds the same but has a different meaning (referring to a person of the same status or rank).