limaçon

American  

[lim-uh-son] / ˈlɪm əˌsɒn /

noun

Geometry.

1. a plane curve generated by the locus of a point on a line at a fixed distance from the point of intersection of the line with a fixed circle, as the line revolves about a point on the circumference of the circle. Equation: r = a cosθ + b.

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limaçon British  

/ ˈlɪməˌsɒn /

noun

1. a heart-shaped curve generated by a point lying on a line at a fixed distance from the intersection of the line with a fixed circle, the line rotating about a point on the circumference of the circle

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Etymology

Origin of limaçon

1575–85; < French: literally, snail, Old French, derivative of limaz < Latin līmācem, accusative of līmāx snail, slug

Example Sentences

But for dirty Jack, and every good fellow who, in the words of the capital French song, moves about, "Comme le limaçon, Portant tout son bagage, Ses meubles, sa maison," on his own back, why, good luck to them, and many a merry road-side adventure, and steaming supper in the chimney corners of road-side inns, Swiss châlets, Hottentot kraals, or wherever else they like to go.

From Project Gutenberg

After crossing a fine bridge, about half-way up the valley, the road takes a spiral direction, called Le Limaçon, the buttresses which support it being remarkable for the solidity and excellence of the masonry; and having made our way to the summit, the peak of the Monné above Cauteretz became visible for the first time since leaving the Tourmalet.

From Project Gutenberg

It also, cherishes a special yearly fête of its own on Trinity Sunday, when in the parade of the Limaçon, or snail, the spectacle of St. George and the Dragon is presented.

From Project Gutenberg

In a large round tent were some tumblers, who could not have equalled our present climbers of the Pyrenees—Dulma, Bordenave, and Meylonga—who from the peak of Pierrefitte descend to the plateau of Limaçon, an almost perpendicular height.

From Project Gutenberg

But for dirty Jack, and every good fellow who, in the words of the capital French song, moves about, "Comme le limacon, Portant tout son bagage, Ses meubles, sa maison," on his own back, why, good luck to them, and many a merry roadside adventure, and steaming supper in the chimney corners of roadside inns, Swiss chalets, Hottentot kraals, or wherever else they like to go.

From Project Gutenberg