idbadge

noun
UK /ˈaɪ.diː bædʒ/
US /ˈaɪ.diː bædʒ/

A small card you wear that shows your name and who you are.

Please wear your idbadge when you visit the office.


OTHER MEANINGS

2. A card that proves you belong to a school or club.

She clipped her idbadge to her backpack before the field trip.

3. A tag worn at a big event so people know your name.

Every guest got an idbadge at the conference.

4. A small sign that lets you enter a building.

The guard checked his idbadge before letting him in.