1. • noun - a protective covering or structure
   • noun - armor carried on the arm to intercept blows
   • noun - hard outer covering or case of certain organisms such as arthropods and turtles
   • verb - protect, hide, or conceal from danger or harm
   • verb - hold back a thought or feeling about
2. • 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.
   • A person or thing that provides protection.
   • A steel sheet attached to an artillery piece to protect gunners from small-arms fire and shrapnel.
   • A wall or housing of concrete or lead built around a nuclear reactor to prevent the escape of radiation.
   • A structure or arrangement of metal plates or mesh designed to protect a piece of electronic equipment from electrostatic or magnetic interference.
   • A pad worn, as at the armpits, to protect a garment from perspiration.
   • A protective plate or similar hard outer covering; a scute or scutellum.
   • An escutcheon.
   • A decorative emblem that often serves to identify an organization or a government.
   • A police officer’s badge.
   • A large lowland area, the geologic nucleus of a continent, whose bedrock consists of igneous and metamorphic rocks that are usually Precambrian in age: the Canadian Shield.
   • To protect or defend with or as if with a shield; guard.
   • To act or serve as a shield or safeguard.
3. • v - to provide with a protective cover or shelter

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