1. Noun.  (countable) Under the Whyte notation system, a steam locomotive that has a four-wheel leading truck, one powered driving axle and a four-wheel unpowered trailing truck.
  2. Noun.  (football, uncountable) A popular soccer formation with 4 defenders, 2 midfielders and 4 strikers.

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