n. & v.
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).
[ ME f. AF araier, OF areer ult. f. a Gmc root, = prepare ]