Translation guide
A trefoil is a three-lobed shape, often used in architecture, heraldry, and design. In Japanese, it is typically described by its shape or context, as there is no single common word.
Describing a shape with three rounded lobes, like a clover leaf.
Literally 'three-leaf shape', this is the most straightforward way to describe a trefoil shape in everyday Japanese.
That window has a trefoil shape.
Means 'three-leaf pattern', used when referring to a decorative trefoil motif.
This fabric has a trefoil pattern woven into it.
Describes the shape by comparing it to a clover leaf, which is a common trefoil. Useful for clarity.
That logo resembles a trefoil shape.
Referring to a trefoil arch or window in Gothic architecture.
A trefoil symbol in coats of arms or emblems.
Referring to plants of the genus Trifolium (clovers) or other three-leaved plants.
The common Japanese word for clover, which is a type of trefoil. Use this for everyday plant references.
There are many trefoils (clovers) growing in the garden.
A Japanese name for clover, literally 'packing grass', but less common than クローバー. Sometimes used in botanical contexts.
Japanese does not have a common, all-purpose word for 'trefoil'. Instead, describe it by its shape (三つ葉の形) or context (architecture, heraldry, etc.). Using the English loanword 'トレフォイル' is possible but very rare and may not be understood.
This building uses trefoil arches.
Trefoil (clover) is a leguminous plant.