poleine

Below the cuisses were knee pieces called poleines, which were half round or slightly pointed in profile, usually with a spade- or kidney-shaped wing on the outside to protect the back of the joint. Articulated at the base of the poleine was a demi-greave, a small plate ...

No one under the estate of a lord was permitted to wear the indecently-short jackets, gowns, &c. mentioned by Monstrelet, or pikes or poleines to his shoes and boots exceeding two inches in length.