Noun
galero (plural galeri)
A large, broad-brimmed, tasseled hat worn by the clergy.
The coat of arms of a Latin Rite Catholic bishop usually displays a galero with a cross and crosier behind the escutcheon ; the specifics differ by location and ecclesiastical rank (see Ecclesiastical heraldry ). Source: Internet
Cardinals had the right to display the galero in their cathedral, and when a cardinal died, it would be suspended from the ceiling above his tomb. Source: Internet