Source : Webster's Revised Unabridged Dictionary (1913)

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

Sheal \Sheal\, n.
   Same as {Sheeling}. [Scot.]

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

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.

         That's a shealed peascod.                --Shak.