—n.
1 an imposing or well-ordered series or display.
2 an ordered arrangement, esp. of troops (battle array).
3 poet. an outfit or dress (in fine array).
4 a Math. an arrangement of quantities or symbols in rows and columns; a matrix. b Computing an ordered set of related elements.
5 Law a list of jurors empanelled.
—v.tr.
1 deck, adorn.
2 set in order; marshal (forces).
3 Law empanel (a jury).
Etymology: ME f. AF araier, OF areer ult. f. a Gmc root, = prepare
Useful english dictionary. 2012.