society > armed hostility > military equipment > armour > body armour > [noun] > breast- or back-plate (3)
A piece of armour covering the breast or the back; (later) esp. a thick plate of armour designed to reinforce a breastplate or (occasionally) a…
= placate, n. 4; cf. placard, n. 1a. Obsolete. rare.
A piece of armour consisting of an iron or steel plate worn over the cuirass; = placard, n. 1a. Also: a leather jacket or doublet lined with strips…