The Collaborative International Dictionary of English v.0.48:

Inweave \In*weave"\, v. t.
   To weave in or together; to intermix or intertwine by
   weaving; to interlace.
   [1913 Webster]

         Down they cast
         Their crowns, inwove with amaranth and gold. --Milton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

inweave
    v 1: weave together into a fabric or design