The meaning of SHIELD is a broad piece of defensive armor carried on the arm. How to use shield in a sentence. Synonym Discussion of Shield.

Shields are used to intercept specific attacks, whether from close-ranged weaponry like spears or long ranged projectiles such as arrows. They function as means of active blocks, as well as to provide …

The police held up their riot shields. The ozone layer is the earth’s shield against radiation from the sun.

SHIELD meaning: 1 : a large piece of metal, wood, etc., carried by someone (such as a soldier or police officer) for protection; 2 : something that defends or protects someone or something

A shield is a large piece of metal or leather which soldiers used to carry to protect their bodies while they were fighting.

shield noun 1. protection, cover, defence, screen, guard, ward (archaic), shelter, safeguard, aegis, rampart, bulwark innocents used as a human shield against attack 2. buckler, escutcheon (Heraldry), …

Definition of shield noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.