• Webster's Revised Unabridged Dictionary
    • Quincunx (Bot) A quincuncial arrangement, as of the parts of a flower in æstivation. See Quincuncial, 2.
    • Quincunx An arrangement of things by fives in a square or a rectangle, one being placed at each corner and one in the middle; especially, such an arrangement of trees repeated indefinitely, so as to form a regular group with rows running in various directions.
    • Quincunx (Astrol) The position of planets when distant from each other five signs, or 150°.
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Century Dictionary and Cyclopedia
    • n quincunx An arrangement of five objects in a square, one at each corner and one in the middle (thus, ); especially, an arrangement, as of trees, in such squares continuously. A collection of trees in such squares forms a regular grove or wood, presenting parallel rows or alleys in different directions, according to the spectator's position. See diagram under quincuncial.
    • n quincunx In botany, same as quincuncial estivation (which see, under quincuncial).
    • n quincunx In astrology, the position of planets when distant from each other five signs or 150°.
    • n quincunx A Roman brass coin of five unciæ.
    • n quincunx A reliquary in the shape of a cross, the four parts of which can be folded over the central one.
    • ***
Chambers's Twentieth Century Dictionary
    • n Quincunx kwin′kungks an arrangement of five things, so as to occupy each corner and the centre of a square, esp. of trees or plants
    • ***


Webster's Revised Unabridged Dictionary
L., fr. quinque, five + uncia, an ounce. The quincunx was marked by five small spots or balls. See Five, and Ounce the weight
Chambers's Twentieth Century Dictionary
L. quinque, five, uncia, a twelfth part, an ounce.


In literature:

The quincunxes and flower-beds shed forth balm and dazzling beauty into the sunlight.
"Les Misérables Complete in Five Volumes" by Victor Hugo
The little gate that open's on the street lets one into the quincunx near the pavilion.
"The Wandering Jew, Complete" by Eugene Sue
This was termed the quincunx order.
"The Fifteen Decisive Battles of The World From Marathon to Waterloo" by Edward Creasy
We have stated above that the maximum daily hand production of tulle dotted in quincunxes of 0.04 of an inch is about one yard.
"Scientific American Supplement, No. 303" by Various
It was a delicious retreat, this old quincunx of plane trees, another remnant of the past splendor of La Souleiade.
"Doctor Pascal" by Emile Zola
Associated words: quinary, quintuple, quintuplicate, quincunx.
"Putnam's Word Book" by Louis A. Flemming
All that about the quincunx is most baffling.
"Austin and His Friends" by Frederic H. Balfour
In the prickly pear, the bundles of prickles are arranged geometrically with great regularity in a perfect quincunx.
"Science in Arcady" by Grant Allen
In Grave they set the plants in quincunx, i.e.
"Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson" by Thomas Jefferson
Toward the tower Criere stood the orchard full of all fruit-trees, set and ranged in a quincunx.
"The Best of the World's Classics, Restricted to Prose, Vol. VII (of X)--Continental Europe I" by Various

In news:

Charles Palliser was mildly worried when Ballantine Books bought the American rights to his novel, "The Quincunx," and Penguin Books bought the paperback rights.

In science:

The Quincunx constructed by Galton in the second half of the nineteenth century, consisted of balls rolling down an array of pins and getting collected in the vertical compartments placed at the bottom. A pin deflects the rolling ball randomly and with equal probability to its left or right.
An Introduction to Monte Carlo Simulation of Statistical physics Problem
The Quincunx constructed by Galton toward the end of the nineteenth century, consisted of balls rolling down an array of pins (which deflect the balls randomly to their left or right) and getting collected in the vertical compartments placed at the bottom.
Monte Carlo: Basics
FIG. 2: Galton’s Board (Quincunx): The Quincunx is a device which allows a bead to drop through an array of pins stuck in a board.
Quantum random walks - an introductory overview
The distribution of this walk can be well illustrated with the help of Galton’s board (also called Quincunx) in Fig. 2.
Quantum random walks - an introductory overview
The optical quincunx experiment (Bouwmeester et al. 1999) is thus a quantum walk experiment in which only the wave nature of light is demonstrated.
A random walk approach to quantum algorithms