aborted

from The Collaborative International Dictionary of English v.0.48

Aborted \A*bort"ed\, a.
   1. Brought forth prematurely.
      [1913 Webster]

   2. (Biol.) Rendered abortive or sterile; undeveloped; checked
      in normal development at a very early stage; as, spines
      are aborted branches.
      [1913 Webster]

   3. stopped prior to normal completion.
      [PJC]

            The eyes of the cirripeds are more or less aborted
            in their mature state.                --Owen.
      [1913 Webster]