(ˈpɔːldrən) n (Arms & Armour (excluding Firearms)) either of two metal plates worn with armour to protect the shoulders[C15: from French espauleron, from espaule shoulder; see epaulette]
paul•dron
(ˈpɔl drən)
n. plate armor for the shoulder and upper arm. [1400–50; earlier paleron, poleron, late Middle English polron, pollerons (pl.) < Middle French espalleron shoulder. See epaulet]