millstone (n.)

  1. (figurative) something that hinders or handicaps; she was an albatross around his neck

    [ Syn: albatross ]

  2. any load that is difficult to carry

  3. one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.