shield

noun
\ ˈshēld How to pronounce shield (audio) \
plural shields

Definition of shield

 (Entry 1 of 2)

1 : a broad piece of defensive armor carried on the arm
2 : something or someone that protects or defends : defense A healthy lifestyle may act as a shield against preventable diseases.
3a : a device or part that serves as a protective cover or barrier They were covered head to toe in protective gear—rubber boots, gowns, aprons, gloves, masks, head caps and plastic eye shields.— Blaine Harden — see also dress shield, face shield, heat shield, windshield
b : a protective structure (such as a carapace, scale, or plate) of some animals
4 : escutcheon especially : one that is wide at the top and rounds to a point at the bottom
5 : the Precambrian nuclear mass of a continent that is surrounded and sometimes covered by sedimentary rocks
7 : something resembling a shield: such as
b : a police officer's badge
c : a decorative or identifying emblem

shield

verb
shielded; shielding; shields

Definition of shield (Entry 2 of 2)

transitive verb

1a : to protect with or as if with a shield : provide with a protective cover or shelter
b : to cut off from observation : hide
2 obsolete : forbid

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Other Words from shield

Verb

shielder noun

Choose the Right Synonym for shield

Verb

defend, protect, shield, guard, safeguard mean to keep secure from danger or against attack. defend denotes warding off actual or threatened attack. defend the country protect implies the use of something (such as a covering) as a bar to the admission or impact of what may attack or injure. a hard hat to protect your head shield suggests protective intervention in imminent danger or actual attack. shielded her eyes from the sun with her hand guard implies protecting with vigilance and force against expected danger. White House entrances are well guarded safeguard implies taking precautionary protective measures against merely possible danger. our civil liberties must be safeguarded

Examples of shield in a Sentence

Noun the heat shield on a space shuttle the slightly built boy used his sharp wit as a shield against the school's bullies Verb celebrities who are shielded by a cluster of bodyguards whenever they appear in public she shielded her eyes from the sun with her hand
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Recent Examples on the Web: Noun The BeAware app shows a green shield next to the person's personal information to prove they are fully vaccinated. Geoff Whitmore, Forbes, "What Is A Vaccine Passport And Will We Need One?," 9 Apr. 2021 Another officer who had a ballistic shield approached Rienoehl. oregonlive, "Deputy fired shots through windshield of unmarked police car after boxing in Michael Reinoehl’s Volkswagen outside WA apartment," 8 Apr. 2021 Kennedy's ancestor, Yanggendyinanyuk, was also lauded for his ability to dodge cricket balls using a traditional Aboriginal shield. Ben Westcott, CNN, "Australia's first international cricket team found fame in the UK. At home, they were betrayed," 4 Apr. 2021 The complexity of such organizations is a powerful shield against prosecution, especially if investigators have to cross state lines and persuade multiple agencies to join the effort, Zolfaghari said. Washington Post, "Police crackdowns of illicit massage businesses pose harms to the women they aim to help," 3 Apr. 2021 Intense preparation had always served as Youn’s shield against self-consciousness about her background. New York Times, "She Never Dreamed of Acting. Now She’s an Oscar Nominee for ‘Minari.’," 2 Apr. 2021 In an order earlier this month, Silver wrote that coronavirus restrictions may provide a valid basis for noncompliance but emphasized that the virus can’t be used as a complete shield. From Usa Today Network And Wire Reports, USA TODAY, "Chef initiative, ice fishing trash, Tribeca plans: News from around our 50 states," 31 Mar. 2021 The Hartwells' lawsuit against Honda also alleges that in 2015, one year before their accident, Honda installed a shield on the recliner rod in its later model, which could prevent that rod from bending. CBS News, "Alleged car seatback failures blamed for more than 100 accidents in 30 years, primarily involving kids," 30 Mar. 2021 Instead, the TikTok star held what looks to be a plastic shield in front of her face. Carolyn Twersky, Seventeen, "The Internet Has Feelings About Addison Rae Using a Glass Shield as a Mask While Out in New York City," 30 Mar. 2021 Recent Examples on the Web: Verb Note that in some cases, alter ego might be tested as a later time, such as in those instances where after the liability arose the defendant created a new entity in an attempt to shield assets. Jay Adkisson, Forbes, "Temporal Issues In Alter Ego Analysis," 10 Apr. 2021 The protections provided by Title IX to shield student-athletes from disparate treatment do not apply to the NCAA, but this should nonetheless be the last time the value of its elite female athletes is so flagrantly denigrated. NBC News, "Colorado shooting kills 10, U.S. health officials raise 'concern' about AstraZeneca vaccine trial," 23 Mar. 2021 Still, Wilson says celebrity affected her despite her parents’ best efforts to shield her. Molly Longman, refinery29.com, "How We Failed Britney — & All Child Stars," 15 Mar. 2021 The message to officers, said Zayer’s lawyer, Tahanie Aboushi, is that the city will help shield them from some of the consequences of even their most egregious conduct. Jake Pearson, ProPublica, "A Police Union Contract Puts Taxpayers on the Hook to Defend Officers When the City Won’t," 26 Mar. 2021 Spritzing a thermal spray on the hair before using a flat iron will help shield the locks from heat damage. Jennifer Manfrin, chicagotribune.com, "How to curl hair with a flat iron," 18 Mar. 2021 Shutters were used to help shield the microbes from the sun during ascent and descent. Ashley Strickland, CNN, "A Martian experiment in our sky: Earth microbes could temporarily survive on Mars, study says," 23 Feb. 2021 Its coastal location attracts a large variety of wildlife, and the sand dunes help shield hikers from the wind in some spots. Diana Bravo, BostonGlobe.com, "Romantic hiking spots for Valentine’s Day," 11 Feb. 2021 In some cancer models, scientists found that an elevated level of norepinephrine led to the activation of cells known as neutrophils, which help shield tumor cells from the body’s immune system. Shraddha Chakradhar, STAT, "Elevated stress hormone levels could reawaken dormant cancer cells, study finds," 2 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'shield.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of shield

Noun

before the 12th century, in the meaning defined at sense 1

Verb

before the 12th century, in the meaning defined at sense 1a

History and Etymology for shield

Noun

Middle English sheld, from Old English scield; akin to Old High German scilt shield and probably to Old English sciell shell

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Time Traveler for shield

Time Traveler

The first known use of shield was before the 12th century

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Statistics for shield

Last Updated

12 Apr 2021

Cite this Entry

“Shield.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shield. Accessed 23 Apr. 2021.

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More Definitions for shield

shield

noun

English Language Learners Definition of shield

 (Entry 1 of 2)

: a large piece of metal, wood, etc., carried by someone (such as a soldier or police officer) for protection
: something that defends or protects someone or something
US : a police officer's badge

shield

verb

English Language Learners Definition of shield (Entry 2 of 2)

: to cover and protect (someone or something)
: to prevent (someone or something) from being seen

shield

noun
\ ˈshēld How to pronounce shield (audio) \

Kids Definition of shield

 (Entry 1 of 2)

1 : a broad piece of armor carried (as by a soldier) for protection
2 : something that serves as a defense or protection the heat shield on a space shuttle

shield

verb
shielded; shielding

Kids Definition of shield (Entry 2 of 2)

: to cover or screen (as from danger or harm) : provide with protection Shield your eyes from the glare.

shield

noun
\ ˈshēld How to pronounce shield (audio) \

Medical Definition of shield

: a structure, device, or part that serves as a protective cover or barrier a lead shield to protect against X-rays

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Comments on shield

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