What is the meaning of Shield?

Anything that protects or defends; defense; shelter; protection.

  1. A broad piece of defensive armor, held in hand, formerly in general use in war, for the protection of the body.
  2. One who protects or defends.
  3. In lichens, a hardened cup or disk surrounded by a rim and containing the fructification, or asci.
  4. A framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses.
  5. A field of energy that protects or defends.

A broad piece of defensive armor, held in hand, formerly in general use in war, for the protection of the body.

One who protects or defends.

In lichens, a hardened cup or disk surrounded by a rim and containing the fructification, or asci.

A framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses.

A field of energy that protects or defends.

A shape like that of a shield; usually, an inverted triangle with sides that curve inward to form a pointed bottom, commonly used for police identifications and company logos.

  1. The escutcheon or field on which are placed the bearings in coats of arms.
  2. A toilet seat.
  3. A spot resembling, or having the form of a shield.
  4. A coin, the old French crown, or écu, having on one side the figure of a shield.
  5. A sign or symbol, usually containing numbers and sometimes letters, identifying a highway route.
  6. A police badge.

The escutcheon or field on which are placed the bearings in coats of arms.

A toilet seat.

A spot resembling, or having the form of a shield.

A coin, the old French crown, or écu, having on one side the figure of a shield.

A sign or symbol, usually containing numbers and sometimes letters, identifying a highway route.

A police badge.

A large expanse of exposed stable Precambrian rock.

  1. A wide and relatively low-profiled volcano, usually composed entirely of lava flows.

A wide and relatively low-profiled volcano, usually composed entirely of lava flows.

A place with a toilet seat: an outhouse; a lavatory.

Parts at the front and back of a vehicle which are meant to absorb the impact of a collision

To protect, to defend.

To shelter; to protect oneself.

To protect from the influence of. (Can we add an example for this sense?)

Source: wiktionary.org