shield Definition in the Cambridge English Dictionary
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Definition of “shield” - English Dictionary

Definition of "shield" - American English Dictionary

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shieldnoun [C]

 us   /ʃild/
a ​piece of ​metal or other ​material, ​carried to ​protect the ​front of the ​body when being ​attacked, or a ​person or thing that ​providesprotection: The ​policeheld up ​theirriot shields. The ​ozonelayer is the earth’s shield against ​radiation from the ​sun.

shieldverb [T always + adv/prep]

 us   /ʃild/
to ​protect someone or something: When the ​lights came on, I shielded my ​eyes with my ​hands, Mom ​tried to shield us from the ​badnews.
(Definition of shield from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "shield" - British English Dictionary

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shieldnoun [C]

uk   us   /ʃiːld/
C2 in the past, a ​large, ​flatobject made of ​metal or ​leather that ​soldiersheld in ​front of ​theirbodies to ​protect themselves a ​large, ​flatobject made of ​strongplastic that ​policeofficershold in ​front of ​theirbodies to ​protect themselves: The ​policeheld up ​their riot shields against the ​flyingrocks and ​bricks. something or someone used as ​protection or ​providingprotection: The ​anti-personnelmines were ​laid as a protective shield around the ​town. Anger can ​function as a shield against (= a way of ​avoiding)even more ​painfulemotions of ​loss and ​hurt. a ​flatobject with two ​straightsides, a ​rounded or ​pointedloweredge, and usually a ​straighttopedge, on which there is a coat of arms an ​objectshaped like a shield that is used as a ​symbol or badge : The ​blazer has a shield ​sewn on the ​pocket.US When he ​retired from the ​police, he had to ​turn in his shield. UK an ​objectshaped like a shield that is given as a ​prize: Our ​schoolwon the ​countybasketball shield this ​year.
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shieldverb [T]

uk   us   /ʃiːld/
C1 to ​protect someone or something: She ​held her ​hand above her ​eyes to shield them from the ​sun. They are ​accused of ​trying to shield the ​General from US ​federalinvestigators. in ​football, to ​keepyourbody between an ​opponent and the ​ball, with ​your back to the other ​player, to ​prevent them from getting the ​ball: We ​teachyoungplayers how to ​step in ​front of the ​defender and use ​theirbody to shield the ​ball.
(Definition of shield from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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