The Collaborative International Dictionary of English v.0.48:

Anchored \An"chored\, a.
   1. Held by an anchor; at anchor; held safely; as, an anchored
      bark; also, shaped like an anchor; forked; as, an anchored
      tongue.
      [1913 Webster]

   2. (Her.) Having the extremities turned back, like the flukes
      of an anchor; as, an anchored cross. [Sometimes spelt
      ancred.]
      [1913 Webster]