firstsession

noun
UK /ˈfɜːst ˈsɛʃən/
US /ˈfɝːst ˈsɛʃən/

The first time you meet with a group to do something together.

We learned everyone's names during the first session of art class.


OTHER MEANINGS

2. The first period of time set aside for a particular activity, such as therapy or a game.

The therapist explained the rules during the first session.

3. The first sitting of a court, parliament, or official group.

The council passed new rules in its first session.

4. The first round of a recording or practice schedule.

The band recorded three songs in the first session.