The term 'WOMAN's helmet-like hat' is often referred to as a CLOCHE, which is a French word meaning 'bell'. The CLOCHE hat was popularized in the 1920s and is characterized by its bell-like shape and close fit to the head. It is typically made of felt or straw and is often decorated with ribbons, flowers, or other embellishments. The CLOCHE hat is a timeless fashion accessory that has been worn by women for decades.