a labor union dominated by management rather than controlled by the membership.
a union confined to employees of one business or corporation.
Origin of company union
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
mainly US and Canadian an unaffiliated union of workers usually restricted to a single business enterprise
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