Standard Lemma guide

co-chair

noun · verb · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

One of a group of chairpersons.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To serve as a co-chair (on).

Definition source: English Wiktionary via Wiktextract

Usage: intransitive, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- Ancient Greek κᾰθέδρᾱ (kăthédrā)bor. Latin cathedrader. Old French chaierebor. Middle English chayere English chair English co-chair From co- + chair.

Across languages

Translations

3 source translations are retained for this English entry.

  • Armenian: համանախագահ (hamanaxagah) — one of a group of chairpersons
  • Russian: сопредседа́тель (sopredsedátelʹ) — one of a group of chairpersons
  • Russian: сопредседа́тельница (sopredsedátelʹnica) — one of a group of chairpersons
Real reading context

co-chair in complete knowledge articles