Definify.com
Webster 1913 Edition
Mantlet
Webster 1828 Edition
Mantlet
MANT'LET
,Noun.
1.
In fortification, a kind of movable parapet or penthouse, made of planks, nailed one over another to the highth of almost six feet, cased with tin and set on wheels. In a siege, this is driven before pioneers, to protect them from the enemy's small shot.