launchevent

noun
UK /lɔːntʃ ɪˈvɛnt/
US /lɔntʃ ɪˈvɛnt/

A special time when something new starts or is shown to people.

The launch event for the new rocket was shown on TV.


OTHER MEANINGS

2. A party to celebrate a new product.

They held a launch event for the new phone.

3. The first public showing of a movie or game.

The launch event for the game had a big screen.

4. A meeting where a plan is announced.

The launch event explained the new school rules.