openingclass

noun
UK /ˈəʊpənɪŋ klɑːs/
US /ˈoʊpənɪŋ klæs/

The first class of a new school term or course.

We met our new teacher on the opening class of the year.


OTHER MEANINGS

2. The first meeting of a training program where basic information is shared.

The opening class of the safety course covered the basic rules.

3. A class that begins a series and sets the topic for later lessons.

In the opening class, the professor explained what we would study.

4. The first session of a workshop or camp.

At the opening class of art camp, the kids painted their name tags.