1. An instep flattened so the entire sole rests on the ground
   - sunken arch

Derived forms: fallen arches

Type of: instep

• toxicognath
• toxicologic
• toxicological
• toxicologist
• toxicology
• toxin
• toxin antitoxin
• toxoid
• toxophilite
• toxoplasmosis
• Toxostoma
• Toxostoma rufums
• Toxotes
• Toxotes jaculatrix
• Toxotidae
• toy
• toy box
• toy business
• toy chest
• toy dog
• toy industry
• toy Manchester
• toy Manchester terrier
• toy poodle
• toy soldier