Trefoil

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

A trefoil (ultimately from Latin trifolium 'three-leaved plant', via Old French trifoil) is a graphic form composed of the outline of three overlapping rings, used in architecture, Pagan and Christian symbolism, among other areas. The term is also applied to other symbols with a threefold shape.

Excerpt from the Wikipedia article “Trefoil”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Eugène Viollet le Duc, Public domain, via Wikimedia Commons.