1. (

• chair

) a seat for one person, with a support for the back; "he put his coat over the back of the chair and sat down" ;

2. (

• professorship ,
• chair

) the position of professor; "he was awarded an endowed chair in economics" ;

3. (

• president ,
• chairman ,
• chairwoman ,
• chair ,
• chairperson

) the officer who presides at the meetings of an organization; "address your remarks to the chairperson" ;

4. (

• electric_chair ,
• chair ,
• death_chair ,
• hot_seat

) an instrument of execution by electrocution; resembles an ordinary seat for one person; "the murderer was sentenced to die in the chair" ;

5. (

• chair ,

) a particular seat in an orchestra; "he is second chair violin" ;

1. (

• chair ,
• chairman

) act or preside as chair, as of an academic department in a university; "She chaired the department for many years" ;

2. (

• moderate ,
• chair ,
• lead ,

) preside over; "John moderated the discussion" ;