1. to be in charge of or lead a meeting, ceremony, or organization
2. to have authority or control over something
Usage: often used with ‘over’

Examples

• The judge will preside over the trial.
• She presided at the board meeting yesterday.
• The mayor presided over the city council session.
• He presided over a period of economic growth.
• The principal presides over all school assemblies.
• The committee chair presided during the heated debate.