Definition of "shield" []

• A broad piece of armor made of rigid material and strapped to the arm or carried in the hand for protection against hurled or thrusted weapons. (noun)
• A person or thing that provides protection. (noun)
• A protective device or structure, as: (noun)
• A steel sheet attached to an artillery piece to protect gunners from small-arms fire and shrapnel. (noun)
• Physics A wall or housing of concrete or lead built around a nuclear reactor to prevent the escape of radiation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The girl who went to the office wearing the shield and armor of her work, now appears in society _without that shield_."
• "See gehðo. geolo, adj., _yellow_: acc.sg. geolwe linde (_the shield of yellow linden bark_), 2611. geolo-rand, st. m., _yellow shield_ (shield with a covering of interlaced yellow linden bark): acc.sg.,"
• "_mine_ is a possessive pronoun, for it takes the place of a noun, _this shield is mine_ being equivalent to _this shield is my shield_."