aegis aegis /ˈiːdʒɪs/

noun

1. () Kindly endorsement and guidance  ( auspices , protection , aegis )
   kindly endorsement and guidance
    The tournament was held under the auspices of the city council
   the tournament was held under the auspices of the city council
   
2. Armor plate that protects the chest; the front part of a cuirass  ( aegis , breastplate , egis [ N. American] )
   armor plate that protects the chest; the front part of a cuirass