| shield | (noun) hard outer covering or case of certain organisms such as arthropods and turtles | Synonyms: carapace, cuticle, shell |
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| (noun) armor carried on the arm to intercept blows | Synonyms: buckler |
| (noun) a protective covering or structure | - |
| shielder | (noun) a person who cares for persons or property | Synonyms: defender, guardian, protector |
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| shielding | (noun) the act of shielding from harm | - |
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| (noun) a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay | - |
| (noun) shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference | - |