1. Papillary projections of the epidermis forming an undulating surface.
2. A disorder with numerous papillomas or wart growths.

Laryngeal papillomatosis is the presence of multiple papillomas on the vocal cords. It is most common in young children and is a result of the human papilloma virus (HPV).

A baby can get human papilloma virus or HPV by being born through a vaginal canal of a mother with genital warts which are also due to HPV.