The Collaborative International Dictionary of English v.0.48:

Immanacle \Im*man"a*cle\, v. t. [imp. & p. p. Immanacled; p.
   pr. & vb. n. Immanacling.]
   To manacle; to fetter; hence; to confine; to restrain from
   free action.
   [1913 Webster]

         Although this corporal rind
         Thou hast immanacled.                    --Milton.
   [1913 Webster]