Pauldron is a noun. A noun is a type of word the meaning of which determines reality.

Is Pauldron a word?

noun Armor. a piece of plate armor for the shoulder and the uppermost part of the arm, often overlapping the adjacent parts of the chest and back.

What is Pauldron?

: a piece of armor covering the shoulder where the body piece and arm piece join — compare epaulet sense 1b.