In*sig"ni*a (?), n. pl. [L. insigne, pl. insignia, fr. insignis distinguished by a mark; pref. in- in + signum a mark, sign. See Ensign, Sign.]
Distinguishing marks of authority, office, or honor; badges; tokens; decorations; as, the insignia of royalty or of an order.
Typical and characteristic marks or signs, by which anything is known or distinguished; as, the insignia of a trade.
© Webster 1913.