Pacer

  1. Noun.  (rail transport) A British lightweight railbus diesel multiple unit of class 140, 141, 142, 143 or 144.
  2. Noun.  One who paces.
  3. Noun.  A breed of horse used in harness races.
  4. Noun.  Short for pacemaker.

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This entry was last updated on RefTopia from its source on 3/20/2012.