or·di·nate 
(ôrdn-ĭt, -āt′)
(ôrdn-ĭt, -āt′)adj.
Arranged in regular rows, as the spots on the wings of an insect.
n.
Symbol y The plane Cartesian coordinate representing the distance from a specified point to the x-axis, measured parallel to the y-axis.
[Middle English, properly ordered, from Latin ōrdinātus, past participle of ōrdināre, to set in order, from ōrdō, ōrdin-, order; see ar- in the Appendix of Indo-European roots.]