Noah Webster
Madrier
MADRIE'R, noun A thick plank armed with iron plates, with a cavity to receive the mouth of a petard, with which it is applied to any thing intended to be broken down; also, a plank used for supporting the earth in mines.
MADRIE'R, noun A thick plank armed with iron plates, with a cavity to receive the mouth of a petard, with which it is applied to any thing intended to be broken down; also, a plank used for supporting the earth in mines.