The term 'spherical hair' is often used to refer to an AFRO hairstyle, which is characterized by a rounded shape and a full, voluminous look. The term 'AFRO' is used to describe this particular hairstyle, which is typically associated with African-American culture. It is created by using a comb to create tight curls or waves in the hair, and is often styled with products such as gels, waxes, and oils.