Look up: Glacis

1. Glacis
   A bank sloping down from a castle which acts as a defence against invaders; broad, sloping naked rock or earth on which the attackers are completely exposed
   Found on http://www.encyclo.co.uk/local/20018
   
   
2. Glacis
   An artificial slope of earth in the front of works, so constructed as to keep an assailant under the fire of the defenders to the last possible moment. On the natural groundlevel, troops attacking any high work would be sheltered from its fire when close up to it; the ground therefore is raised to f...
   Found on http://www.keystothepast.info/durhamcc/k
   
   
3. Glacis
   Open space or slope surrounding a fort.
   Found on http://www.encyclo.co.uk/local/20769
   
   
4. Glacis
   Rampart of the Covered Way, sloping away towards the enemy. Featured in the song 'The British Grenadiers'
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
5. Glacis
   sloping ground on the attackers side of the covered way, cleared of all obstacles and therefore exposed to defensive fire. See fortification.
   Found on http://www.encyclo.co.uk/local/20935
   
   
6. Glacis
   Gla'cis noun [ French glacis ; -- so named from its smoothness. See Glacier .] A gentle slope, or a smooth, gently sloping bank; especially (Fort.) , that slope of earth which inclines from the covered way toward the exterior ground o...
   Found on http://www.encyclo.co.uk/webster/G/29
   
   
7. Glacis
   • (n.) A gentle slope, or a smooth, gently sloping bank; especially (Fort.), that slope of earth which inclines from the covered way toward the exterior ground or country (see Illust. of Ravelin).
   Found on http://thinkexist.com/dictionary/meaning
   
   
8. glacis
   (from the article `military technology`) ...for protection against escalade, were dropped into the ground behind a ditch and protected from battery by gradually sloping earthen ramparts ...
   Found on http://www.britannica.com/eb/a-z/g/35
   
   
9. glacis
   glacis 1. Through French: a gradual slope; an embankment sloping gradually up to a fortification, so as to expose attackers to defending gunfire. 2. Etymology: French, from Old French glacier, 'to slip'; from Latin glaciare, 'to make' or 'to turn into ice'.
   Found on http://www.wordinfo.info/words/index/inf
   
   
10. Glacis
    In fortifications, a glacis is a smooth piece of ground, sloping upwards and clear of all obstacles, which must be crossed in order to enter a fort.
    Found on http://www.probertencyclopaedia.com/brow
    
    
11. Glacis
    Slope up to a fortification.
    Found on http://www.napoleonguide.com/glossary.ht