Quincunx
Pronunciation : Quin"cunx
Part of Speech : n.
Etymology : [L., fr. quingue five + uncia an ounce. The quincunx was marked by five small spots or balls. See Five, and Ounce the weight.]
Definition : 1. 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.
2. (Astrol.)
Defn: The position of planets when distant from each other five signs, or 150?. Hutton.
3. (Bot.)
Defn: A quincuncial arrangement, as of the parts of a flower in ?stivation. See Quincuncial, 2.
Source : Webster's Unabridged Dictionary, 1913