tonlet

1. (historical) A long armoured skirt, designed for combat on foot.Examples: "Accordingly, the Greenwich armoury hurriedly prepared a somewhat more conventional suit of foot combat armour made from existing pieces but incorporating newly made symmetrical pauldrons and a tonlet."; "On some the buttocks and groin are also fully encased in steel; while, on others, these same parts are protected by a tonlet, a deep steel skirt that widens downward to facilitate leg movement (see cat. 37)."historical

2. (historical) One of the plates which make up such a skirt.Examples: "Soon after this the six or eight "tonlets" grow fewer, being continued on the lower edge by the so-called tuilles, small plates strapped to the tonlets and swinging with the movement of the legs."; "The steel tonlets are rigid, not overlapping and movable."; "His legs and thighs were similarly covered in plate, his loins by a mail apron over which was a short skirt of horizontal, overlapping plate 'tonlets'. His torso was protected by breast and back plates, the former reinforced […]"historical