Webster's Revised Unabridged Dictionary · 1913

Mantelet

Mantelet , noun

[French, dim. of manteau, Old French mantel. See Mantle.]

1.
(a) A short cloak formerly worn by knights.
(b)
A short cloak or mantle worn by women.
A mantelet upon his shoulders hanging. — Chaucer
2.
(Fortification) A musket-proof shield of rope, wood, or metal, which is sometimes used for the protection of sappers or riflemen while attacking a fortress, or of gunners at embrasures; -- now commonly written mantlet.