hiddenmeeting

noun
UK /ˈhɪdən ˈmiːtɪŋ/
US /ˈhɪdən ˈmiːtɪŋ/

A secret meeting is when people meet quietly so others do not know.

The spies had a hidden meeting in the park after dark.


OTHER MEANINGS

2. A meeting held in a place that is hard to find or see.

The club held a hidden meeting in the basement.

3. A gathering that is kept secret from the public.

The leaders arranged a hidden meeting to discuss the plan.

4. An online or private chat that others cannot see.

They set up a hidden meeting room for the team.