Toastmaster (noun)

A person who presides over a formal dinner and makes toasts, announcements or introductions.

Origin:

Derived from the word 'toast' and 'master', first used in the early 19th century.

Examples:

1. The toastmaster welcomed the guests to the celebration dinner.
2. The toastmaster made a humorous speech to start the event.
3. The toastmaster introduced the speakers and made announcements during the event.
4. The toastmaster was responsible for ensuring the smooth running of the dinner.
5. The toastmaster proposed a toast to the birthday girl.