Definition

Noun: A condition of the foot where the longitudinal arch, specifically the instep, has collapsed or flattened. This results in the entire sole of the foot, or a significantly greater portion than is typical, making contact with the ground during standing or walking.

Usage

The term is used in medical, anatomical, and general health contexts to describe a specific foot structure or a common foot ailment. * He was diagnosed with a fallen arch, which explained his chronic foot pain. * Proper footwear is essential for someone with a fallen arch. * The condition, a fallen arch, can sometimes be managed with orthotic inserts.

Advanced Usage

• The term is often synonymous with flatfoot or pes planus in medical terminology, though "fallen arch" can specifically imply an arch that was once present and has since collapsed, rather than one that never developed.
• It can be used attributively (like an adjective) to modify other nouns.
  • She suffers from fallen arch pain.
  • These shoes are designed for fallen arch support.

Variants and Related Words

• Flatfoot (n.): A common synonym for a foot with little or no arch.
• Pes planus (n.): The formal medical term for flatfoot.
• Arch support (n.): A device placed in shoes to counteract the effects of a fallen arch.

Synonyms

• Flatfoot
• Pes planus
• Dropped arch

Antonyms

• High arch
• Pes cavus (the medical term for an unusually high arch)

Related Phrases

• To have a fallen arch: The typical phrasing to describe possessing this condition.
  • My father has a fallen arch in his left foot.
• Fallen arch syndrome: A phrase sometimes used to describe the collection of symptoms associated with the condition.

Noun

1. an instep flattened so the entire sole rests on the ground