WordGarden.iotrefoil
C2Pronunciation
UK
- /trˈɛfɔɪl/
US
Meanings
Noun
a small clover-like plant with three-part leaves
a three-lobed ornamental or geometric figure, especially in Gothic design
Beyond the definition
A trefoil can mean a three-leaf clover, but it is also a common shape in art and design. It has three rounded parts arranged together, like three leaves joined in one form. You might think of a shamrock linked with Ireland and St. Patrick's Day, but the shape also appears in churches, windows, stone carvings, and coats of arms. In many settings, it suggests luck, faith, or the Holy Trinity. So when you notice a three-part leaflike pattern, it may be more than a plant name; it may also be a symbol with a long history.
The word "trefoil" comes from Old French and means "three-leaved." It can refer to a clover-like plant with three leaflets, and it can also refer to a decorative shape made of three rounded lobes. Because of that double use, the word appears both in nature and in design. It is often linked with the shamrock and with Irish tradition, especially around St. Patrick's Day. A well-known story says Saint Patrick used the three-part leaf to explain the Holy Trinity: Father, Son, and Holy Spirit.
But the word is not limited to plants. In art and architecture, a trefoil is a repeating pattern or ornament with three connected lobes. You can see it in Gothic buildings, especially in window tracery, stone carving, and decorative panels. In heraldry, which is the design of coats of arms, it is also used as a charge, meaning a symbol placed on a shield.
Its meaning changes a little by context. In religious settings, it often points to the Holy Trinity. In everyday culture, especially when connected with clover, it can suggest luck. It may also bring to mind spring, growth, balance, or unity because of its neat three-part form. Whether you are looking at a patch of clover, a church window, or an old coat of arms, the trefoil is a small image that carries meanings from nature, history, and belief.
Examples
- 1
Church architecture
The chapel has a trefoil window above the entrance.
- Phrasetrefoil window
a window with three rounded parts
- 2
Decorative carving
Small carved trefoils decorate the stone screen inside the church.
- 3
Wild plant
Birdsfoot trefoil grows well on dry grassland and attracts bees in summer.
- Phrasebirdsfoot trefoil
a common wild plant with small yellow flowers
See also
Forms and spellings
2 forms open this card.
Main spelling
- trefoilnounadjective
Forms
- trefoilspluralnounadjective