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chair (EN)
noun, verb

noun “chair”

singular chair, plural chairs
  1. a piece of furniture with a seat, legs, and a back, used for one person to sit on
    She pulled out a chair and sat down at the table to have breakfast.
  2. the person who leads a meeting or an organization; the chairperson
    The chair called the meeting to order and welcomed everyone.
  3. the act of being in charge of a university department
    He was offered the chair of physics at the prestigious university.
  4. (in music) the position of a musician in an orchestra, especially indicating their rank
    She earned the first chair in the violin section.
  5. the seat or office of a person in authority, such as a judge or bishop
    He finally ascended to the chair after years of service.
  6. (informal, with "the") the electric chair used for executions
    In the past, criminals were sometimes sentenced to die in the chair.

verb “chair”

infinitive chair; he chairs; past tense chaired; past part. chaired; ger. chairing
  1. to lead or preside over a meeting or committee
    She was asked to chair the committee on environmental policy.