n. 盾, 防卫物, 保护者, 屏蔽

vt. 保护, 遮蔽, 屏蔽, 庇护, 挡开, 避开

vi. 起保护作用

[化] 防护屏

[医] 盾, 罩, 屏; 防护物

Shield \Shield\, v. t. [imp. & p. p. {Shielded}; p. pr. & vb. n.
{Shielding}.] [AS. scidan, scyldan. See {Shield}, n.]
1. To cover with, or as with, a shield; to cover from danger;
to defend; to protect from assault or injury.

Shouts of applause ran ringing through the field,
To see the son the vanquished father shield.
--Dryden.

A woman's shape doth shield thee. --Shak.

2. To ward off; to keep off or out.

They brought with them their usual weeds, fit to
shield the cold to which they had been inured.
--Spenser.

3. To avert, as a misfortune; hence, as a supplicatory
exclamation, forbid! [Obs.]

God shield that it should so befall. --Chaucer.

God shield I should disturb devotion! --Shak.


Shield \Shield\, n. [OE. sheld, scheld, AS. scield, scild,
sceld, scyld; akin to OS. scild, OFries. skeld, D. & G.
schild, OHG. scilt, Icel. skj["o]ldr, Sw. sk["o]ld, Dan.
skiold, Goth. skildus; of uncertain origin. Cf. {Sheldrake}.]
1. A broad piece of defensive armor, carried on the arm, --
formerly in general use in war, for the protection of the
body. See {Buckler}.

Now put your shields before your hearts and fight,
With hearts more proof than shields. --Shak.

2. Anything which protects or defends; defense; shelter;
protection. ``My council is my shield.'' --Shak.

3. Figuratively, one who protects or defends.

Fear not, Abram; I am thy shield, and thy exceeding
great reward. --Gen. xv. 1.

4. (Bot.) In lichens, a Hardened cup or disk surrounded by a
rim and containing the fructification, or asci.

5. (Her.) The escutcheon or field on which are placed the
bearings in coats of arms. Cf. {Lozenge}. See Illust. of
{Escutcheon}.

6. (Mining & Tunneling) A framework used to protect workmen
in making an adit under ground, and capable of being
pushed along as excavation progresses.

7. A spot resembling, or having the form of, a shield.
``Bespotted as with shields of red and black.'' --Spenser.

8. A coin, the old French crown, or ['e]cu, having on one
side the figure of a shield. [Obs.] --Chaucer.

{Shield fern} (Bot.), any fern of the genus {Aspidium}, in
which the fructifications are covered with shield-shaped
indusia; -- called also {wood fern}. See Illust. of
{Indusium}.