noun

• (obsolete, rare) The process of being turned into a worm.
• The state of being infested or consumed by worms.
• A pattern of irregular wavy lines resembling worms or their casts or tracks, found on the plumage of birds, used to decorate artworks and buildings, etc.
• (physiology, dated) Peristalsis (“wave-like contraction of the digestive tract, resembling the movement of a worm”).