co-chair

noun

One of a group of chairpersons.

OriginEnglish chair ← Middle English chayere ← Old French chaiere →
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Meanings

nounco-chair (plural co-chairs)

plural co-chairs

  1. One of a group of chairpersons.
verbco-chair (third-person singular simple present co-chairs, present participle co-chairing, simple past and past participle co-chaired)

present singular third person co-chairs · participle present co-chairing · participle past co-chaired · past co-chaired

  1. intransitivetransitiveTo serve as a co-chair (on).

    The group is co-chaired by Slough MP and Shadow Transport Minister Tan Dhesi and the Conservative MP for Newbury Laura Farris.

    2023 April 5, Paul Clifton, “Network News: MPs support Heathrow Western Rail Link”, in RAIL, number 980, page 26

Origin

  1. Englishco-
  2. Ancient Greekκᾰθέδρᾱ (kăthédrā)
  3. Latincathedra
  4. Old Frenchchaiere
  5. Middle Englishchayere
  6. Englishchair
  7. Englishco-chair

From co- + chair.

Full word history & related roots →

Translations

Russian сопредседа́тель, сопредседа́тельница
  • сопредседа́тель (sopredsedátelʹ)one of a group of chairpersons
  • сопредседа́тельница (sopredsedátelʹnica)one of a group of chairpersons
Cite this entry
APA

co-chair. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/co-chair

MLA

“co-chair.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/co-chair. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “co-chair,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/co-chair.

Source: co-chair on Wiktionary, CC BY-SA 4.0.