An identity card is an official card proving who you are. Carry an identity card.
Britain has resisted one for a century, which is unusual in Europe. An identity card scheme was introduced in the war and abolished in 1952 after a court case.
1nounidentity cardAn official card proving who you are.
“The identity card had to be produced at the door.”
identity card is a card.
Also accepted in games: id card
Identity plus card; wartime Britain issued them and dropped the scheme in 1952.
From identity + card.
Etymology from Wiktionary, CC BY-SA