What does "empty" mean?

Additional senses

1. 2.Having nothing to carry; unburdened. "An empty messenger." Shak. When ye go ye shall not go empty. Ex. iii.
2. 3.4. Destitute of effect, sincerity, or sense; -- said of language; as, empty words, or threats. Words are but empty thanks. Cibber.
3. 4.Unable to satisfy; unsatisfactory; hollow; vain; -- said of pleasure, the world, etc. Pleas'd in the silent shade with empty praise. Pope.
4. 5.Producing nothing; unfruitful; -- said of a plant or tree; as, an empty vine. Seven empty ears blasted with the east wind. Gen. xli.
5. 6.7. Destitute of, or lacking, sense, knowledge, or courtesy; as, empty brains; an empty coxcomb. That in civility thou seem'st so empty. Shak.
6. 7.Destitute of reality, or real existence; unsubstantial; as, empty dreams. Note: Empty is used as the first element in a compound; as, empty- handed, having nothing in the hands, destitute; empty-headed, having few ideas; empty-hearted, destitute of feeling.
7. 8.An empty box, crate, cask, etc.; -- used in commerce, esp. in transportation of freight; as, "special rates for empties."
8. 9.To deprive of the contents; to exhaust; to make void or destitute; to make vacant; to pour out; to discharge; as, to empty a vessel; to empty a well or a cistern. The clouds . . . empty themselves upon the earth. Eccl. xi.
9. 10.1. To discharge itself; as, a river empties into the ocean.
10. 11.To become empty. "The chapel empties." B. Jonson.