Difference between Breastplate and Aegis

What is the difference between Breastplate and Aegis?

Breastplate as a noun is a piece of armor that covers the chest. while Aegis as a noun is a mythological shield associated with zeus and athena shown as a short cloak consisting of a goatskin. the aegis of athena is usually shown with a border of snakes and with the head of medusa in the center. the aegis is more an emblem of protection and power than an actual military shield.

We hope you now know whether to use Breastplate or Aegis in your sentence.