an association of people or companies in a particular business or trade, organized to promote their common interests.
Origin of trade association
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for trade association
an association of organizations in the same trade formed to further their collective interests, esp in negotiating with governments, trade unions, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012