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

Derived forms: fallen arches

Type of: instep

• contributory
• contributory negligence
• contrite
• contritely
• contriteness
• contrition
• contrivance
• contrive
• contrived
• contriver
• control
• control account
• control board
• control center
• control centre
• control character
• control circuit
• control condition
• control experiment
• control freak
• control function
• control grid
• control key
• control operation
• control panel