What does "subcommittee" mean?

A committee formed by an existing committee, comprising a subset of its members.

How do you pronounce "subcommittee"?

Pronounced //ˈsʌb.kəˌmɪti//.

Common synonyms include: auxiliary committee, commission, committee, delegation, deputation, mission.

/ˈsʌb.kəˌmɪti/ noun

noun ·Rare ·Advanced level

Noun

1
A committee formed by an existing committee, comprising a subset of its members.
"The society's museum sub-committee is aiming to gather narrow-gauge railway exhibits from throughout the British Isles, and further accommodation will be provided to house the growing collection."
2
a subset of committee members organized for a specific purpose wordnet

"There will be an in-person meeting of the marketing subcommittee on Tuesday afternoon of Jan 27, 1999 at the San Francisco CA Airport Marriott."

From sub- + committee.