Definition

Noun: - A structural arch supported directly by piers: A "pier arch" is an architectural arch whose ends or abutments rest on substantial vertical supports called piers, rather than on columns or walls. It is a fundamental element in bridge and arcade construction.

Usage

• This term is used specifically in architectural and structural engineering contexts to describe the load-bearing relationship between an arch and its supports.
• It typically refers to a single arch span between two piers.

Examples

• Noun:
  • The ancient Roman aqueduct featured a long series of sturdy pier arches.
  • The bridge's design relied on a central pier arch to span the widest part of the river.
  • In the cathedral's crypt, the weight of the vault is transferred through massive pier arches.

Advanced Usage

• In historical architecture, a pier arcade refers to a sequence of multiple pier arches, forming a covered passage or supporting a structure above.
• The term distinguishes the support type; a pier arch contrasts with a column arch or a wall arch.

Variants and Related Words

• Pier (n): A vertical, solid masonry support, often rectangular in cross-section, that bears heavy loads.
• Arch (n): A curved structural element that spans an opening and supports weight from above.
• Arcade (n): A series of arches supported by piers or columns.

Synonyms

• Supported arch (general)
• Pier-supported arch (descriptive)

Notes

• "Pier arch" is a technical compound noun. Its meaning is derived directly from its components: an supported by . It does not commonly have phrasal verbs or idioms associated with it.

Noun

1. an arch supported on piers