quatrefoil


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quatrefoil

1. a leaf composed of four leaflets
2. Architect a carved ornament having four foils arranged about a common centre, esp one used in tracery

quatrefoil

Having four foils, lobes, or acute divisions.
See also: Foils

quatrefoil

[′kwä·trə‚fȯil]
(mathematics)
A multifoil consisting of four congruent arcs of a circle arranged around a square.

quatrefoil

A four-lobed pattern divided by cusps; also See foil.
References in periodicals archive ?
Trees on the two bottom corners are balanced with quatrefoils at the top corners.
Kathy chose a Warm & White batting, and Karen machine quilted a quatrefoil design on each block, swirling vines on the sashing strips, a flower on each sashing square, and a repeating flower and vine design on the border.
Among the topics are a survey of tables for regulating the times of prayer, universal solutions to problems of spherical astronomy from Mamluk Syria and Egypt, when the night sky over Qandahar was lit only by stars, universal horary quadrants and dials, selected early and late Islamic astrolabes, the geological data on early Islamic astronomical instruments, and the quatrefoil as decoration on astrolabe retes.
The patterns, the quatrefoil of the central roundel and the form of the 'dolphins' heads have clear parallels in Celtic metalwork and manuscripts of the 8th to early 9th centuries, such as the Tara Brooch and the Book of Mac Regol.
They found a main-floor occupant in Quatrefoil, a small GLBT-oriented library that for years had been housed in a St.
One of these is a swastika, known as "the claws of the lion", another is a quatrefoil surmounted by a stylised flower.
Both used an altar cross template for their signa manualia, but Jordan's cross, on a document dating to 1405, has a quatrefoil center with the arms extending from it ending in sharp points.
The third, fourth and fifth orders (also known as trefoil, quatrefoil and pentafoil) describe coma, spherical aberration and secondary astigmatism, and secondary coma, respectively.
The tall single-light window to the left of these windows features quatrefoil patterns with two containing the heads of St Kieran and St Canice (IMAGES 6 and 7), the detailing of whose faces is characteristic of Ashwin.
Slant 16-ounce silver quatrefoil wine glass ($90 for set of four; slantcollections.
Quatrefoil (shown here) features a silvered interior design in the company's popular quatrefoil motif, and it is available in silver and deep red, gold, or brown.