a cloth spread over a coffin, hearse, or tomb.
During the mass, they covered the coffin with a pall , some kind of cloth. we took it off on the way out the door to the church, and then draped the American flag over his coffin.
a dark cloud or covering of smoke, dust, or similar matter.
a pall of black smoke hung over the quarry
an ecclesiastical pallium.
The bishop's Pall typifies the wandering sheep, and the Prelate, when arrayed in this vestment, bears the image of the Saviour Christ.