Defile
Look up defile in Wiktionary, the free dictionary.
Defile may refer to:
- To make dirty or impure
 - Defile (geography), in geography, a narrow pass or gorge between mountains
 - Defile (military), to march off in a line
 - The Defile, a pass between Suess Glacier and Nussbaum Riegel in Victoria Land, Antarctica
 - Battle of the Defile or Battle of the Pass, 731 battle between the Umayyads and Turks