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单词 trefoil
释义

trefoil


trefoil

(trē`foil) [O.Fr.,=three-leaf], in botany, name for several plants, chiefly of the pulsepulse,
in botany, common name for members of the Fabaceae (Leguminosae), a large plant family, called also the pea, or legume, family. Numbering about 650 genera and 17,000 species, the family is third largest, after the asters and the orchids.
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 family, having trifoliate leaves. Best known of the trefoils is clover. The bird's-foot trefoil (Lotus corniculatus) is an Old World forage plant and weed that has been naturalized in North America; the prairie trefoil (L. americanus) is a related native American plant. The shrubby trefoil is the hophop,
herbaceous perennial vine of the family Moraceae (mulberry family), widely cultivated since early times for brewing purposes. The commercial hop (Humulus lupulus
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 tree. Tick trefoil is a name for the tickseed, or beggarweedbeggarweed
or tick trefoil,
leguminous plant (Desmodium purpureum) native to the West Indies and sown in the S United States for green manure and for forage; it has high nutritive value and is palatable to stock.
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.

trefoil

1. A three-lobed cloverleaf pattern. See also: Foils2. An architectural ornament resembling a three-leaf clover. See also: ornament

trefoil

[′trē‚fȯil] (mathematics) A multifoil consisting of three congruent arcs of a circle arranged around an equilateral triangle.

trefoil

trefoils In an opening, a three-lobed pattern separated by cusps; See foil.

trefoil (clover)

emblem of the Trinity. [Christian Symbolism: Cirlot, 50–51]See: Trinity

trefoil

traditional symbol of vengeance. [Flower Symbolism: Flora Symbolica, 178]See: Vengeance

trefoil

1. any of numerous leguminous plants of the temperate genus Trifolium, having leaves divided into three leaflets and dense heads of small white, yellow, red, or purple flowers 2. any of various related plants having leaves divided into three leaflets, such as bird's-foot trefoil 3. a leaf having three leaflets 4. Architect an ornament in the form of three arcs arranged in a circle

Trefoil


Fringe medicine A flower said to provide a sense of calm
Herbal medicine An herb that contains coumarins, cyanogenic glycosides, flavonoids, phenolic glycosides, and salicylates. Red clover is antispasmodic, expectorant and mildly sedative
Toxicity Red clover is a phytooestrogen and should not be used in pregnancy or given to young children

trefoil


  • noun

Synonyms for trefoil

noun any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves

Synonyms

  • medic
  • medick

Related Words

  • herb
  • herbaceous plant
  • genus Medicago
  • Medicago
  • Medicago arborea
  • moon trefoil
  • Medicago falcata
  • sickle alfalfa
  • sickle lucerne
  • sickle medick
  • Calvary clover
  • Medicago echinus
  • Medicago intertexta
  • black medick
  • hop clover
  • Medicago lupulina
  • nonesuch clover
  • yellow trefoil
  • alfalfa
  • lucerne
  • Medicago sativa

noun a plant of the genus Trifolium

Synonyms

  • clover

Related Words

  • genus Trifolium
  • Trifolium
  • alpine clover
  • Trifolium alpinum
  • lesser yellow trefoil
  • Trifolium dubium
  • hop clover
  • shamrock
  • crimson clover
  • Italian clover
  • Trifolium incarnatum
  • purple clover
  • red clover
  • Trifolium pratense
  • Trifolium reflexum
  • Trifolium stoloniferum
  • buffalo clover
  • dutch clover
  • Trifolium repens
  • white clover
  • herb
  • herbaceous plant

noun an architectural ornament in the form of three arcs arranged in a circle

Related Words

  • architectural ornament
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更新时间:2024/12/24 8:53:02