Can refer to a part of armor or a decorative piece.
El petral del caballero estaba decorado con intrincados grabados que contaban historias de antiguas batallas.
The knight's breastplate was adorned with intricate engravings that told stories of ancient battles.
El petral del caballero estaba adornado con joyas brillantes y reflejaba su estatus en la corte.
The knight's breastplate was adorned with shiny jewels and reflected his status at court.