Answer:

breastplate

AnswerCrossword Clue
BREASTPLATEProtector of Galahad's heart?
BREASTPLATEKnight's torso protector
BREASTPLATEPiece of armor
BREASTPLATEProtection up front
BREASTPLATEIt was worn in war, once
BREASTPLATETorso protector for Lancelot