What does "chamber of commerce" mean?

An association of businesses to promote their interests in a community.

Chamber of commerce

Common synonyms include: aktiebolag, aktiengesellschaft, body corporate, business, business establishment, business network.

noun

noun ·Rare ·Advanced level

Noun

1
An association of businesses to promote their interests in a community.
"The US Chamber of Commerce represents Big Business nationally, but state and local chambers of commerce are for smaller businesses locally."
2
an association of businessmen to protect and promote business interests wordnet

"The US Chamber of Commerce represents Big Business nationally, but state and local chambers of commerce are for smaller businesses locally."