openclass

noun
UK /ˈəʊpən klɑːs/
US /ˈoʊpən klæs/

A class where anyone can join and learn together.

The community center holds an openclass on Saturday mornings for kids who want to learn painting.


OTHER MEANINGS

2. A type of word in grammar that can take new members, like nouns and verbs.

In linguistics, 'noun' is an openclass because new nouns are created all the time.

3. A school session that visitors are welcome to watch.

Parents were invited to the openclass to see how the students were learning.

4. A class in object-oriented programming that can be extended by other classes.

The teacher explained that an openclass can be inherited by subclasses in the code.