The Collaborative International Dictionary of English v.0.48:

Sheal \Sheal\, n.
   Same as Sheeling. [Scot.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sheal \Sheal\, v. t.
   To put under a sheal or shelter. [Scot.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sheal \Sheal\, v. t. [See Shell.]
   To take the husks or pods off from; to shell; to empty of its
   contents, as a husk or a pod. [Obs. or Prov. Eng. & Scot.]
   --Jamieson.
   [1913 Webster]

         That's a shealed peascod.                --Shak.
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The Collaborative International Dictionary of English v.0.48:

Sheal \Sheal\, n.
   A shell or pod. [Obs. or Prov. Eng.]
   [1913 Webster]