D defs.my
Entry 3 senses Webster, 1913

decoration

/(dĕk`ō̇*rā"shŭn)/ · dec·o·ra·tion · IPA /ˌdɛkəˈɹeɪʃən/
01 n. The act of adorning, embellishing, or honoring; ornamentation.
  1. 1.
    The act of adorning, embellishing, or honoring; ornamentation.
  2. 2.
    That which adorns, enriches, or beautifies; something added by way of embellishment; ornament.
    “The hall was celebrated for . . . the richness of its decoration.” Motley.
  3. 3.
    Specifically, any mark of honor to be worn upon the person, as a medal, cross, or ribbon of an order of knighthood, bestowed for services in war, great achievements in literature, art, etc.