This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The presiding officer of an assembly, meeting, committee, or board.

n. The administrative head of a department of instruction, as at a college. See Usage Notes at man, person.

v. To act as chairman of.

n. A person (implied male) presiding over a meeting.

n. The head of a corporate or governmental board of directors, a committee, or other formal entity.

n. Someone whose job is to carry people in a portable chair, sedan chair, or similar conveyance.

n. The presiding officer of a committee, or of a public or private meeting, or of any organized body.

n. One whose business it is to cary a chair or sedan.

n. pl. chairmen (-men).

n. The presiding officer of an assembly, association, company, committee, or public meeting.

n. One who assists in Carrying a sedan-chair. Prior. Also called chair-bearer.

n. One who wheels an invalid's or other similar chair.

n. the officer who presides at the meetings of an organization

v. act or preside as chair, as of an academic department in a university

"Earlier in October, McKelvy resigned as chief executive officer, though he retained his director's seat and was given the title chairman emeritus."

chairwoman   

lead    head    presiding    chair    presider    officer    chairperson   

president    presider    toastmaster    moderator    speaker    prolocutor    croupier   

Behrman    airman   

president    director    secretary    superintendent    committee    executive    senator    treasurer    commissioner    adviser