Backpiece

• (n.) Alt. of Backplate
Found on http://thinkexist.com/dictionary/meaning/backpiece/

BACKPIECE

A barrette, comb or other type of hair accessory that adorns the back of the head can be decorated with beads, bows, flowers or pearls
Found on http://www.coveryourhair.com/hair-accessories-and-coverings-glossary.html

backpiece

armour covering the back
Found on http://phrontistery.info/b.html
No exact match found