Wiktionary
poleyns
n. (plural of poleyn English)
Usage examples of "poleyns".
And whenever he donned chainmail and breastplate, and the hooped iron skirt and the cuisses and poleyns and greaves, and the plated gauntlets and the heavy stuffy visored helmet, not forgetting the heraldic surcoat which was his badge of identification, so as to take on any band of Bruce’s Scots who came a-raiding, he fought them like a junior Hercules, cleaving and battering.
The machine squealed loudly as its crown-wheels tried to pull him deeper inside, and the teeth of its cogs rattled against his poleyns, or knee-plates.