union card

noun

1. a card identifying one as a member of a particular labor union.

union card

noun

1. a membership card for a trade union

Word History and Origins

Origin of union card¹

An Americanism dating back to 1870–75

Example Sentences

Last week, some 240 workers at Maryland-based Bethesda Game Studios, the company behind “The Elder Scrolls” and the “Fallout” series, signed union cards or otherwise indicated their support for the union in a tally.

From Los Angeles Times

“There were a few months where we had everyone with a sewing machine and a union card on our payroll,” she said.

From Los Angeles Times

Evans said that she informed staff members of the layoffs on Feb. 28 and employees notified the board that they signed their union cards on March 13.

From Los Angeles Times

Silva de Rodriguez said it was clear at the meetings that the federal relief money was not tied to signing a union card.

From Los Angeles Times

The Long Beach Media Guild requested voluntary recognition from its employer last Wednesday after the entire bargaining unit signed union cards.

From Los Angeles Times