The Collaborative International Dictionary of English v.0.48:

Enwomb \En*womb"\, v. t. [imp. & p. p. Enwombed; p. pr. & vb.
   n. Enwombing.]
   1. To conceive in the womb. [Obs.] --Spenser.
      [1913 Webster]

   2. To bury, as it were in a womb; to hide, as in a gulf, pit,
      or cavern. --Donne.
      [1913 Webster]