preside over something phrasal verb (see also preside)

1. to be in a position of authority at a time when important things are happening:
The government seemed to be presiding over large-scale unemployment.

2. to be the head of a company or organization:
Finch presided over the company for 30 years.

3. to be in charge of a meeting or activity:
The chairman will preside over an audience of architects and developers.

[TahlilGaran] Dictionary of Contemporary English ▲