n. 25B6; noun
he used his shield to fend off blows : Heraldry escutcheon; historical buckler, target; archaic targe.
a shield against dirt : PROTECTION, guard, defence, cover, screen, security, shelter, safeguard, protector.
25B6; verb he shielded his eyes : PROTECT, cover, screen, shade; save, safeguard, preserve, defend, secure, guard; cushion, insulate.
expose.