union card

American  

noun

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

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union card British  

noun

1. a membership card for a trade union

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Etymology

Origin of union card

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

She said workers began admitting to supervisors that they had signed the union card and faced pressure to renounce their support.

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