trefoil

• 指具有三出复叶的植物，如苜蓿属（Medicago）或车轴草属（Trifolium）的植物；也指由三个圆弧组成的建筑装饰图案。

A noun referring to a plant with trifoliate leaves, such as those from the genera Medicago or Trifolium, or an architectural ornament consisting of three arcs arranged in a circle.

1. Herb of the genus MedicagoC1formalscientific

   Any of several Old World herbs belonging to the genus Medicago, characterized by small flowers and compound leaves with three leaflets.

   苜蓿

   • The farmer identified the trefoil growing in the meadow as a type of Medicago.
   • Trefoil plants are often used as fodder for livestock.
   • The leaves of this trefoil are distinctly trifoliate.

   同义词medick

2. Plant of the genus TrifoliumB2formalscientific

   A plant belonging to the genus Trifolium, commonly known as clover, with trifoliate leaves.

   三叶草

   • The field was covered in white trefoil, a type of clover.
   • Bees are attracted to the nectar of trefoil flowers.
   • Trefoil is a common sight in pastures and lawns.

   同义词clover

3. Architectural ornamentC1formalart

   An ornamental design in architecture consisting of three arcs arranged in a circular pattern, resembling a three-lobed leaf.

   三叶饰

   • The Gothic cathedral featured a trefoil pattern in its stained glass window.
   • The stone carver skillfully chiseled a trefoil into the archway.
   • Trefoil ornaments are common in medieval church architecture.