Source : Webster's Revised Unabridged Dictionary (1913)

Incage \In*cage"\, v. t. [imp. & p. p. {Incaged}; p. pr. & vb.
   n. {Incaging}.] [Cf. {Encage}.]
   To confine in, or as in, a cage; to coop up. [Written also
   {encage}.] ``Incaged birds.'' --Shak.