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
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

trefoil

[′trē‚fȯil]
(mathematics)
A multifoil consisting of three congruent arcs of a circle arranged around an equilateral triangle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

trefoil

trefoils
In an opening, a three-lobed pattern separated by cusps; See foil.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

trefoil (clover)

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

trefoil

traditional symbol of vengeance. [Flower Symbolism: Flora Symbolica, 178]
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.

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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Picture perfect Caerlaverock meadow and bird's foot trefoil (inset) Photos: Brian Morrell
Kjellev, "The trefoil factor family - small peptides with multiple functionalities," Cellular and Molecular Life Sciences, vol.
Trefoil peptides (TFFs) are regulatory peptides for mucosal protection and repair in the gastrointestinal tract (Thim, 1989).
For the Symfony IOL at this pupil size, also the contribution of trefoil, primary spherical aberration, and tetrafoil were important (+0.20 [+ or -] 0.05 [micro]m, -0.20 [+ or -] 0.02 [micro]m, and +0.15 [+ or -] 0.02 [micro]m, resp.).
He said the first harvest of trefoil becomes very toxic when sprayed with urea, and destroys the liver of the animal, leading to the said symptoms.
Gozluksuz trefoil ortalama RMS degeri 0,11 [+ or -] 0,07 [micro]m olarak olculurken, Balafilcon A ile yapilan olcumlerde trefoil ortalama RMS degeri 0,13 [+ or -] 0,09 [micro]m, Senofilcon A lens ile yapilan olcumlerde trefoil ortalama RMS degeride 0,12 [+ or -] 0,07 [micro]m olarak bulundu.
They were joined by four other women, Clara Emlen of Springfield, Nancy Burnett of Springfield, Inez McEldowney of Junction City and Sheila Logan of Eugene, and one man, Gary Burnett of Springfield, at the monthly lunch of the local Order of the Silver Trefoil, which started in Eugene in the late 1970s.
According to the press release, the "trefoil brand" has been "linked to the music scene for a long time and is connected uniquely to the beginnings of Hip Hop in the 1980s." What this means here is that famous trefoil design of the brand, and/or its current three-stripes Originals avatar, will feature prominently onboard, making the headphones even more appealing to sports fans, hip hoppers, and the general youth.
The family of the late Anne, wish to express their sincere thanks to relatives, friends and neighbours for the beautiful flowers, cards and donations of pounds 350 to Trefoil Guild.