1. a badge, emblem, or distinguishing mark of office, rank, or membership
Usage: often used in plural form (insignia); formal or official context

Examples

• The general wore the insigne of his rank on his uniform.
• Military insignia are displayed prominently on dress uniforms.
• The club's insigne features a golden lion.
• Police officers wear insignia to identify their department.
• The insigne of the organization was embroidered on their jackets.