an object used to add beauty or to decorate
decoration
Cases of word usage
1) to add ornament or decorations to a person, room etc (using Jewels etc) (adorn)
2) a band or chain of metal etc worn on the wrist or arm as an ornament (bracelet)
3) an ornament with a pin for fastening on clothes (brooch)
4) a small, usually round, object used for fastening articles of clothing, or sewn on as an ornament (button)
5) (too) rich in ornament and colour (florid)
6) a circle of flowers or leaves used as an ornament or decoration or as a prize for victory etc (garland)
7) an ornament attached to a necklace etc (pendant)
8) an upright column of stone etc as a support or ornament (pillar)
9) a small rose-shaped badge or ornament (rosette)
10) a tiny shining disc (to be) sewn on cloth as an ornament (sequin)