trefoil

/'trefɔil/
Học thuật
Thân thiện
trefoil

A trefoil pattern decorates the stone archway of the old cathedral.

Definition
  1. Noun:
    • An architectural ornament in the form of three arcs arranged in a circle: A stylized design resembling a three-lobed leaf or flower, commonly used in Gothic architecture, especially in windows and stone tracery.
    • A plant of the genus Trifolium: A herbaceous plant, such as clover, typically having leaves with three leaflets.
    • Any of several Old World herbs of the genus Medicago: A plant, such as black medick, with small flowers and trifoliate (three-part) compound leaves.
Examples of Usage
  • Noun (Architecture):
    • The Gothic window was decorated with an intricate stone trefoil.
    • Trefoils and quatrefoils are common motifs in medieval church architecture.
  • Noun (Botany - Trifolium):
    • The field was covered in white trefoil, also known as clover.
    • Farmers often plant trefoil as a forage crop for livestock.
  • Noun (Botany - Medicago):
    • The yellow trefoil (Medicago lupulina) is common in pastures.
Advanced Usage
  • "Trefoil arch": An arch with a cusped intrados (inner curve) shaped like a trefoil.
    • The trefoil arch above the doorway is a fine example of 13th-century craftsmanship.
  • "Trefoil knot": In mathematics, the simplest example of a nontrivial knot, resembling the three-lobed shape.
    • The trefoil knot is a fundamental concept in knot theory.
Variants and Related Words
  • Quadrifoil (n): An ornamental shape with four lobes or leaves.
  • Cinquefoil (n): An ornamental shape with five lobes or leaves; also a plant of the genus .
  • Trifoliate (adj): Having three leaves or leaflets.
    • The plant is easily identified by its trifoliate leaves.
Synonyms
  • Clover (n): A common name for plants of the genus .
  • Shamrock (n): A young sprig of clover, used as a symbol of Ireland.
  • Three-leaved (adj): Having three leaves (descriptive, not a direct synonym for the ornament).
Related Phrases
  • "In trefoil": A heraldic term describing a charge arranged in a group of three, like a clover leaf.
    • The family crest featured three martlets in trefoil.
trefoil

A trefoil pattern decorates the stone archway of the old cathedral.

Noun
  1. an architectural ornament in the form of three arcs arranged in a circle
  2. a plant of the genus Trifolium
  3. any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves

Từ đồng nghĩa

Từ gần giống

Từ chứa "trefoil"

Từ có nhắc đến "trefoil"