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glacis

American  
[gley-sis, glas-is] / ˈgleɪ sɪs, ˈglæs ɪs /

noun

plural

glacis, glacises
  1. a gentle slope.

  2. Fortification. a bank of earth in front of the counterscarp or covered way of a fort, having an easy slope toward the field or open country.


glacis British  
/ ˈɡlæsɪs, ˈɡlæsɪ, ˈɡleɪ- /

noun

  1. a slight incline; slope

  2. an open slope in front of a fortified place

  3. short for glacis plate

"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

Etymology

Origin of glacis

1665–75; < Middle French; akin to Old French glacier to slide; compare Latin glaciāre to make into ice; see glacé

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

On another part of a wall, Cox was part of an excavation that uncovered a glacis, a defensive structure in early fortresses.

From Washington Times • Jun. 7, 2015

This particular glacis was ground, compacted limestone, which became very slick with moisture.

From Washington Times • Jun. 7, 2015

The cannons are aimed, for the moment, at cattle upon the glacis, and children batting at the sky with sticks.

From "The Astonishing Life of Octavian Nothing, Traitor to the Nation, Volume II: The Kingdom on the Waves" by M.T. Anderson

Our sergeant, with his thirty men, their guns on their shoulders, quietly reached the glacis.

From The Blockade of Phalsburg An Episode of the End of the Empire by Chatrian, Alexandre

Cavalry, artillery and the train were passing through the town or encamped on the glacis of the fortress.

From The Franco-German War of 1870-71 by Helmuth, Count