Revision as of 05:50, 14 January 2007 by Ok(talk | contribs)(Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L. Waddell's Bridge Engineering (New York: Wiley, 1916))
A short cross-wall built behind the main wall to give it additional stability by acting as an anchor to hold back the main wall. Its action is opposite to that of a buttress.