trefoil


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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: Foils
2. 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]

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
References in periodicals archive ?
Experimental ulceration leads to sequential expression of spasmolytic polypeptide, intestinal trefoil factor, epidermal growth factor and transforming growth factor alpha mRNAs in rat stomach.
Like all the members, McEldowney was wearing her small, Silver Trefoil pin.
18) Also, their use as marginal markers by a fairly defined group of English Carthusians and associates suggests that the trefoil had a particular and shared meaning within this group.
The GI Company's lead Phase II clinical candidate, Intestinal Trefoil Factor (ITF), is an endogenous protein in Phase II development for the treatment oral mucositis, a common, debilitating complication resulting from high-dose chemotherapy and / or radiotherapy.
The 770,000 [pounds sterling] study, commissioned by the Department for the Environment, Food and Rural Affairs, found that the introduction of certain plant varieties, such as birdfoot trefoil, white clover and perennial ryegrass, to a cow's diet can help to improve its digestive efficiency from a typical rate of 20 per cent to 34 per cent.
Midford Castle - Grade I listed - is built in a trefoil shape so, from the air, it looks like the ace of clubs.
Lucy Nicholls 5 Trefoil Way Brookfield Littleborough Rochdale Lancs OL15 8RR
The geometry of the helix dictates the clover-leaf trefoil plan, prompting obvious comparisons with the sinuous spiral of New York's Guggenheim.
The Norwegian oil and gas exploration company Trefoil Limited issued its first quarter report on Friday (26 May), posting a pre-tax result of USD1.
The objective of this research was to compare DM yields and changes in species composition of the harvested forage of alfalfa, birdsfoot trefoil, cicer milkvetch, and kura clover in binary mixtures with tall rescue under different grazing frequencies in the irrigated steppe of the southern Rocky Mountains, USA.
Trefoil factor 3 (TFF3), or intestinal trefoil factor (1, 2), belongs to a small family of three mucin-associated peptides (TFF1, TFF2, and TFF3).