\Bot"tle*hold`er\, n.
1. One who attends a pugilist in a prize fight; -- so called
   from the bottle of water of which he has charge.
2. One who assists or supports another in a contest; an
   abettor; a backer. [Colloq.]
         Lord Palmerston considered himself the bottleholder
         of oppressed states.                  --The London
                                               Times.