1 [C] a piece of furniture for one person to sit on, with a seat, a back and four legs 椅子: a kitchen chair 厨房用椅an armchair 扶手椅 ☞picture on page C7 见C7页插图

2 [sing] the person who is controlling a meeting 会议主席: Please address your questions to the chair. 如有问题，请向主席提出。

3 [C] the position of a university teacher of the highest level (professor) 大学教授的职位: She holds the chair of economics at London University. 她担任伦敦大学经济学教授一职。