cockade

noun

1. A rosette or knot of ribbon worn in a hat, especially as an office or party badge.

   “[…] and Nature had moreover wrote GENTLEMAN with so fair a hand in every line of his countenance, that even his tarnish’d gold-laced hat and huge cockade of flimsy taffeta became him; […]”

   “The escort were two mounted patriots in red caps and tri-coloured cockades, armed with national muskets and sabres, who rode one on either side of him.”

   “Through the park railings these glances beheld men and women riding in the Row, […] solitary horsemen looking unsociable, and solitary women followed at a long distance by a groom with a cockade to his hat and a leather belt over his tight-fitting coat.”

2. An emblem of concentric circles of different colours, identifying the country to which an aircraft belongs.

   “On the bank of the river in French territory lies a wrecked plane bearing the cockade of the French service.”