shield
Cross references: 1. defend 1. shield \'she-(*)ld\ n [ME sheld, fr. OE scield; akin to OE sciell shell] 1: a broad piece of defensive armor carried on the arm 2: one that protects or defends : DEFENSE 3: an adjunct of dress worn inside a part of the clothing liable to be soil ed by perspiration 4: a fixture designed to protect persons from injury from moving parts of m achinery or parts carrying electricity 5: ESCUTCHEON 6: an armored screen protecting an otherwise exposed gun 7: an iron or steel framework moved forward in excavating to support the gr ound ahead of the lining 8: a protective structure (as a carapace) of some animals 9: something shaped like or resembling a shield : as 9a: APOTHECIUM 9b: a policeman's badge 9c: a decorative or identifying emblem 2. shield vt 1a: to protect with a shield 1b: to cut off from observation : HIDE obs 2: FORBID - shield.er n
Webster's English Dictionary