Source : Webster's Revised Unabridged Dictionary (1913)

Incase \In*case"\, v. t. [imp. & p. p. {Incased}; p. pr. & vb.
   n. {Incasing}.] [F. encaisser; pref. en- (L. in) + caisse
   case. See {Case} a box, and cf. {Encase}, {Enchase}.]
   To inclose in a case; to inclose; to cover or surround with
   something solid.

         Rich plates of gold the folding doors incase. --Pope.

Source : WordNet®

incase
     v : enclose in, or as if in, a case; "my feet were encased in
         mud" [syn: {encase}, {case}]