Breóst-beorh
Bosworth & Toller Anglo-Saxon Old English Dictionary - breóst-beorh
According to the Old English Dictionary:
-beorg, es;
- breóst-beorh
- m. A breast-plate. Substitute, e; f. A breast-work :-- Brióstbiorg propugnaculum, Wrt. Voc. ii. 118, 30.