The Collaborative International Dictionary
Genouillere
Genouillere \Ge*nouil`l[`e]re"\, n. [F.]
(Anc. Armor) A metal plate covering the knee.
(Fort.) That part of a parapet which lies between the gun platform and the bottom of an embrasure.
Wiktionary
genouillère
n. 1 (context historical English) A metal plate used as armour for the knee. 2 Part of a parapet lying between the gun platform and the bottom of an embrasure.