(n.) 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.
HATCHMENT
Meaning of HATCHMENT in English
Webster's English dictionary. Английский словарь Webster. 2012