D defs.my
Entry 2 senses Webster, 1913

Insignia

/ĭnˌ-sĭg'-nēˌ-ə/ · In·sig·ni·a · IPA /ɪnˈsɪɡ.ni.ə/
01 n. pl. Distinguishing marks of authority, office, or honor; badges; tokens; decorations; as, the insignia of royalty or of an order.
  1. 1.
    Distinguishing marks of authority, office, or honor; badges; tokens; decorations; as, the insignia of royalty or of an order.
  2. 2.
    Typical and characteristic marks or signs, by which anything is known or distinguished; as, the insignia of a trade.