shield
(shēld)n.1. 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.
2. A person or thing that provides protection.
3. A protective device or structure, as:
a. A steel sheet attached to an artillery piece to protect gunners from small-arms fire and shrapnel.
b. Physics A wall or housing of concrete or lead built around a nuclear reactor to prevent the escape of radiation.
c. Electronics A structure or arrangement of metal plates or mesh designed to protect a piece of electronic equipment from electrostatic or magnetic interference.
d. A pad worn, as at the armpits, to protect a garment from perspiration.
e. A sanitary napkin.
4. Zoology A protective plate or similar hard outer covering; a scute or scutellum.
5. Something that resembles a shield, as:
a. An escutcheon.
b. A decorative emblem that often serves to identify an organization or a government.
c. A police officer's badge.
6. Geology The ancient, stable, interior layer of continents composed of primarily Precambrian igneous or metamorphic rocks. Also called continental shield.
v. shield·ed, shield·ing, shields
v.tr.1. To protect from being attacked, exposed to danger, or subjected to difficulty:
"a policymaking elite whose families and purses are shielded from the sacrifices war entails" (Uwe E. Reinhardt). See Synonyms at
defend.
2. To cover up; conceal: "Though many eyes were watching, none could pierce the halo of morning sunlight that surrounded and shielded the hawk" (Peter Dunne).
v.intr. To act or serve as a shield or safeguard.
shield′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
shield
(ʃiːld) n1. (Arms & Armour (excluding Firearms)) any protection used to intercept blows, missiles, etc, such as a tough piece of armour carried on the arm
2. any similar protective device
3. (Heraldry) heraldry Also called: scutcheon or escutcheon a pointed stylized shield used for displaying armorial bearings
4. anything that resembles a shield in shape, such as a prize in a sports competition
5. (Zoology) the protective outer covering of an animal, such as the shell of a turtle
6. (Nuclear Physics) physics a structure of concrete, lead, etc, placed around a nuclear reactor or other source of radiation in order to prevent the escape of radiation
7. (Geological Science) a broad stable plateau of ancient Precambrian rocks forming the rigid nucleus of a particular continent. See
Baltic Shield,
Canadian Shield 9. (Civil Engineering) civil engineering a hollow steel cylinder that protects men driving a circular tunnel through loose, soft, or water-bearing ground
vb (tr) to protect, hide, or conceal (something) from danger or harm
[Old English scield; related to Old Norse skjöldr, Gothic skildus, Old High German scilt shield, Old English sciell shell]
ˈshielder n
ˈshieldˌlike adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
shield
(ʃild)
n. 1. a device used as a defense against blows or hurled objects, esp. a broad piece of armor carried on the arm or in the hand.
2. a person or thing that guards or defends.
3. any of various devices or barriers for protection, as from injury.
4. an escutcheon typically having a broad top and pointed bottom and displaying armorial bearings.
5. something shaped like a shield.
6. a police officer's, detective's, or sheriff's badge.
7. a bulletproof screen attached to a gun to protect its crew, mechanism, etc.
8. a protective plate or the like on the body of an animal, as a scute, enlarged scale, etc.
9. a pad worn or attached inside the underarm of a garment to protect it against perspiration stains.
10. a vast area of ancient crustal rocks which, together with a platform, constitutes a craton.
11. a lead or concrete structure around a nuclear reactor serving as a barrier against escaping radiation.
v.t. 12. to protect with or as if with a shield.
13. to serve as a protection for.
14. to hide or conceal; protect by hiding.
15. Obs. to avert; forbid.
v.i. 16. to act or serve as a shield.
[before 900; Old English sceld, c. Old Frisian skeld, Old High German skilt, Old Norse skjǫldr, Gothic skildus]
shield′er, n.
shield′less, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.