Definify.com
Webster 1913 Edition
Breastplate
Breast′plateˊ
,Noun.
1.
A plate of metal covering the breast as defensive armor.
Before his old rusty
breastplate
could be scoured, and his cracked headpiece mended. Swift.
2.
A piece against which the workman presses his breast in operating a breast drill, or other similar tool.
3.
A strap that runs across a horse’s breast.
Ash.
4.
(Jewish Antiq.)
A part of the vestment of the high priest, worn upon the front of the ephod. It was a double piece of richly embroidered stuff, a span square, set with twelve precious stones, on which were engraved the names of the twelve tribes of Israel. See
Ephod
. Webster 1828 Edition
Breastplate
BREAST'PLATE
,Noun.
1.
Armor for the breast.2.
A strap that runs across a horse's breast.3.
In Jewish antiquity, a part of the vestment of the high priest, consisting of a folded piece of the rich embroidered stuff of which the ephod was made. It was set with twelve precious stones, on which were engraved the names of the twelve tribes.