[muh-chik-uh-ley-shuh n]
noun Architecture.
  1. an opening in the floor between the corbels of a projecting gallery or parapet, as on a wall or in the vault of a passage, through which missiles, molten lead, etc., might be cast upon an enemy beneath.
  2. a projecting gallery or parapet with such openings.

Origin of machicolation

First recorded in 1780–90; machicolate + -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for machicolation

Historical Examples of machicolation

British Dictionary definitions for machicolation


  1. (esp in medieval castles) a projecting gallery or parapet supported on corbels having openings through which missiles could be dropped
  2. any such opening
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012