badge

US /bædʒ/
UK /bædʒ/
"badge" picture
1.

a distinctive emblem worn as a mark of office, membership, achievement, licensed employment, etc.

:
He proudly displayed his police badge.
Each scout received a merit badge for completing the task.
1.

to mark with a badge

:
The security guard will badge all visitors upon entry.
Each participant was badged with a unique number.