Tail on

from The Collaborative International Dictionary of English v.0.48

Tail \Tail\, v. i.
   1. (Arch.) To hold by the end; -- said of a timber when it
      rests upon a wall or other support; -- with in or into.
      [1913 Webster]

   2. (Naut.) To swing with the stern in a certain direction; --
      said of a vessel at anchor; as, this vessel tails down
      stream.
      [1913 Webster]

   {Tail on}. (Naut.) See {Tally on}, under {Tally}.
      [1913 Webster]