bridgehead

  1. Noun.  An area around the end of a bridge.
  2. Noun.  (military) A fortification around the end of a bridge.
  3. Noun.  (military) An area of ground on the enemy's side of a bridge, especially one that needs to be taken and defended in order to secure an advance.
  4. Noun.  (chemistry) Either of the two atoms in different parts of a molecule that are connected by a bridge.

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