Definition of glacis in English:

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Pronunciation: /ˈɡlāsis/ /ˈɡlasē/

noun (plural same /ˈɡlāsēz/ // /ˈɡlasēz/ // or glacises)

A gently sloping bank, in particular one that slopes down from a fort, exposing attackers to the defenders' missiles.
Example sentences
  • Built in the glacis style, there is no berm but a continuous 11 m. slope from the ditch bottom to the bank top.
  • Its purpose was that of a glacis of an ancient castle.
  • Abutting the glacis of the Acropolis at Athens is the great theatre of Dionysis.


Late 17th century: from French, from Old French glacier 'to slip', from glace 'ice', based on Latin glacies.

Words that rhyme with glacis


For editors and proofreaders

Syllabification: gla·cis

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