thirdseries

noun
UK /ˌθɜːd ˈsɪəriːz/
US /ˌθɝːd ˈsɪriːz/

The third set of things that come one after another.

We watched the third series of the cartoon show together.


OTHER MEANINGS

2. The third group of games played between the same teams.

The third series of matches starts next week.

3. The third set of coins or stamps in a collection.

He finally completed the third series of the coin set.

4. The third round of tests or experiments.

The third series of tests gave the best results.