defile

  1. Verb.  (transitive) to make impure; to make dirty.
  2. Noun.  A narrow way or passage, e.g. between mountains.
  3. Noun.  A single file, such as of soldiers.
  4. Verb.  (context, obsolete) To march in a single file.

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