/kwing"kungks, kwin"-/ , n.
1. an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
2. Bot. an overlapping arrangement of five petals or leaves, in which two are interior, two are exterior, and one is partly interior and partly exterior.
[ 1640-50; quinc-, var. of QUINQUE- QUINQUE- + uncia twelfth; see OUNCE 1 ); orig. a Roman coin worth five twelfths of an as and marked with a quincunx of spots ]