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In architecture, an opening or a panel dividing by cusps or foliations into four leaves, or more correctly the leaf-shaped figure formed by the cusps. It is an ornament which has been supposed to represents the four leaves of a cruciform flower, and is common in the tracery of Gothic windows.

Quatrefoil Architecture

In architecture, an opening or a panel dividing by cusps or foliations into four leaves, or more correctly…

"The Quatrefoil is a piercing or panel divided by cusps or foliations into four leaves, or more correctly the leaf-shaped figure formed by the cusps. The name is also given to flowers and leaves of a similar form carved as ornaments on moldings, etc. It differs from the cinquefoil only in the number of cusps."—(Charles Leonard-Stuart, 1911)

Quatrefoil

"The Quatrefoil is a piercing or panel divided by cusps or foliations into four leaves, or more correctly…

"The quatrefoil is four-leaved grass; a frequent bearing in coat-armor."—(Charles Leonard-Stuart, 1911)

Quatrefoil

"The quatrefoil is four-leaved grass; a frequent bearing in coat-armor."—(Charles Leonard-Stuart,…

In architecture, a piercing or panel divided by cusps or foliations into four leaves, or more correctly the leaf shaped figure formed by the cusps. It is supposed to represent the four leaves of a cruciform plant.

Quatrefoil

In architecture, a piercing or panel divided by cusps or foliations into four leaves, or more correctly…

The heraldic charge borne by the ninth eldest son in a family.

The Double Quatrefoil

The heraldic charge borne by the ninth eldest son in a family.