What does "orient" mean?

Additional senses

1. 2.Bright; lustrous; superior; pure; perfect; pellucid; -- used of gems and also figuratively, because the most perfect jewels are found in the East. "Pearls round and orient." Jer. Taylor. "Orient gems." Wordsworth. "Orient liquor in a crystal glass." Milton.
2. 3.The part of the horizon where the sun first appears in the morning; the east. [Morn] came furrowing all the orient into gold. Tennyson.
3. 4.The countries of Asia or the East. Chaucer. Best built city throughout the Orient. Sir T. Herbert.
4. 5.A pearl of great luster. [R.] Carlyle.
5. 6.To define the position of, in relation to the orient or east; hence, to ascertain the bearings of.
6. 7.Fig.: To correct or set right by recurring to first principles; to arrange in order; to orientate.