A piece of furniture for sitting

A position of authority or leadership (as in 'chairperson')

अधिकार या नेतृत्व की स्थिति (जैसे 'अध्यक्ष')

English Usage: He was elected as the chair of the committee.

Hindi Usage: उसे समिति का अध्यक्ष चुना गया।

To act as a chairperson of a meeting

बैठक के अध्यक्ष के रूप में कार्य करना

English Usage: She will chair the meeting tomorrow.

Hindi Usage: वह कल बैठक की अध्यक्षता करेगी।