'chairperson' definitions:

Definition of 'chairperson'

From: WordNet
noun
The officer who presides at the meetings of an organization; "address your remarks to the chairperson" [syn: president, chairman, chairwoman, chair, chairperson]

Definition of 'chairperson'

From: GCIDE
  • chairperson \chairperson\ n. the officer who presides at the meetings of an organization; -- same as chair[3] or chairman[1], but used to achieve a sex-neutral register.
  • Syn: president, chairman, chairwoman, chair. [WordNet 1.5 +PJC]