HATCHMENT
Webster's 1913 Dictionary

Definition: \Hatch"ment\, n. [Corrupt. fr. achievement.]
1. (Her.) A sort of panel, upon which the arms of a deceased
person are temporarily displayed, -- usually on the walls
of his dwelling. It is lozenge-shaped or square, but is
hung cornerwise. It is used in England as a means of
giving public notification of the death of the deceased,
his or her rank, whether married, widower, widow, etc.
Called also {achievement}.

His obscure funeral; No trophy, sword, or hatchment
o'er his bones. --Shak.

2. A sword or other mark of the profession of arms; in
general, a mark of dignity.

Let there be deducted, out of our main potation,
Five marks in hatchments to adorn this thigh.
--Beau. & Fl.