thirdsection

noun
UK /ˌθɜːd ˈsekʃən/
US /ˌθɝːd ˈsekʃən/

The third part of something that is split into pieces.

We sat in the third section of the stadium, right behind the goal.


OTHER MEANINGS

2. The third group of a document or book.

Please read the third section of the manual before you start.

3. The third area of a store or building.

The third section of the store sells toys and games.

4. The third part of a test or exam.

The third section of the test had five math problems.