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 …

SHIELD definition: 1. in the past, a large, flat object made of metal or leather that soldiers held in front of their…. Learn more.

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

Shield definition: a broad piece of armor, varying widely in form and size, carried apart from the body, usually on the left arm, as a defense against swords, lances, arrows, etc..

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 …

There are 37 meanings listed in OED's entry for the noun shield, six of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

uk / ʃiːld / us to protect someone or something from something dangerous or unpleasant: to shield your eyes from the sun

4 days ago · Shield AI Expands into Space Domain through Partnership with Sedaro WASHINGTON (December 3, 2025) — Shield AI and Sedaro today announced a strategic …

1 day ago · The protective shield built around the Chernobyl nuclear disaster site in Ukraine can no longer do its job to confine radioactive waste as a result of a drone strike earlier this year, …