noun to ward off; to keep off or out.
2. shield ·noun figuratively, one who protects or defends.
3. shield ·noun a spot resembling, or having the form of, a shield.
4. shield ·noun anything which protects or defends; defense; shelter; protection.
5. shield ·noun to avert, as a misfortune; hence, as a supplicatory exclamation, forbid!.
6. shield ·noun a coin, the old french crown, or ecu, having on one side the figure of a shield.
7. shield ·noun in lichens, a hardened cup or disk surrounded by a rim and containing the fructification, or asci.
8. shield ·noun the escutcheon or field on which are placed the bearings in coats of arms. ·cf. lozenge. ·see ·illust. of escutcheon.
9. shield ·noun to cover with, or as with, a shield; to cover from danger; to defend; to protect from assault or injury.
10. shield ·noun a framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses.
11. shield ·noun a broad piece of defensive armor, carried on the arm, formerly in general use in war, for the protection of the body. ·see buckler.