1. a seat for one person, typically having four legs and a back
2. the person who leads a meeting, committee, or organization
3. a position of authority, especially a professorship at a university
Usage: academic

1. to act as chairperson of a meeting or organization

Examples

• She pulled out a chair and sat down at the table.
• The wooden chair creaked when he leaned back.
• The committee chair called the meeting to order.
• He was elected chair of the board of directors.
• She holds the chair of biology at the university.
• Who will chair tomorrow’s meeting?
• The senator agreed to chair the investigation committee.