The Collaborative International Dictionary of English v.0.48:

Inosculate \In*os"cu*late\, v. i. [imp. & p. p. Inosculated;
   p. pr. & vb. n. Inosculating.] [Pref. in- in + osculate.]
   1. To unite by apposition or contact, as two tubular vessels
      at their extremities; to anastomose.
      [1913 Webster]

   2. To intercommunicate; to interjoin.
      [1913 Webster]

            The several monthly divisions of the journal may
            inosculate, but not the several volumes. --De
                                                  Quincey.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Inosculate \In*os"cu*late\, v. t.
   1. To unite by apposition or contact, as two vessels in an
      animal body. --Berkeley.
      [1913 Webster]

   2. To unite intimately; to cause to become as one.
      [1913 Webster]

            They were still together, grew
            (For so they said themselves) inosculated.
                                                  --Tennyson.
      [1913 Webster]

WordNet (r) 3.0 (2006):

inosculate
    v 1: come together or open into each other; "the blood vessels
         anastomose" [syn: anastomose, inosculate]
    2: cause to join or open into each other by anastomosis;
       "anastomose blood vessels" [syn: anastomose, inosculate]