The Collaborative International Dictionary of English v.0.48:

Enshield \En*shield"\, v. t.
   To defend, as with a shield; to shield. [Archaic] --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Enshield \En*shield"\, a.
   Shielded; enshielded. [Obs.] --Shak.
   [1913 Webster]