union card
noun
a card identifying one as a member of a particular labor union.
Origin of union card
An Americanism dating back to 1870–75
Words nearby union card
uninvolved,
uniocular,
uniocular hemianopsia,
union,
union buster,
union card,
union catalog,
union catalogue,
union church,
union city,
union day
British Dictionary definitions for union card
union card
noun
a membership card for a trade union