Possible Definitions:
1. Ancient (a.) Old; that happened or existed in former times, usually at a great distance of time; belonging to times long past; specifically applied to the times before the fall of the Roman empire; -- opposed to modern; as, ancient authors, literature, history; ancient days.
2. Ancient (a.) Old; that has been of long duration; of long standing; of great age; as, an ancient forest; an ancient castle.
3. Ancient (a.) Known for a long time, or from early times; -- opposed to recent or new; as, the ancient continent.
4. Ancient (a.) Dignified, like an aged man; magisterial; venerable.
5. Ancient (a.) Experienced; versed.
6. Ancient (a.) Former; sometime.
7. Ancient (n.) Those who lived in former ages, as opposed to the moderns.
8. Ancient (n.) An aged man; a patriarch. Hence: A governor; a ruler; a person of influence.
9. Ancient (n.) A senior; an elder; a predecessor.
10. Ancient (n.) One of the senior members of the Inns of Court or of Chancery.
11. Ancient (n.) An ensign or flag.
12. Ancient (n.) The bearer of a flag; an ensign.