Webster's Revised Unabridged Dictionary · 1913

Subordinate

Subordinate , adjective

[Prefix sub + Latin ordinatus, past participle of ordinare to set in order, to arrange. See Ordain.]

1.
Placed in a lower order, class, or rank; holding a lower or inferior position.
The several kinds and subordinate species of each are easily distinguished. — Woodward
2.
Inferior in order, nature, dignity, power, importance, or the like.
It was subordinate, not enslaved, to the understanding. — South

Subordinate , noun

One who stands in order or rank below another; -- distinguished from a principal. — Milton

Subordinate , transitive verb

1.
To place in a lower order or class; to make or consider as of less value or importance; as, to subordinate one creature to another.
2.
To make subject; to subject or subdue; as, to subordinate the passions to reason.