antiquity

Short definition from Wiktionary

Noun

1. 1
   Ancient times; faraway history; former ages.
2. 2
   The people of ancient times.
3. 3
   An old gentleman.
4. 4
   The historical period preceding the Middle Ages (c. 500-1500), primarily relating to European history.
5. 5
   A relic or monument of ancient times, such as a coin, a statue, etc.; an ancient institution.
6. 6
   The state of being ancient or of ancient lineage.

Proper noun

1. 1
   The period of Ancient Greece and Ancient Rome.