Meaning of glacis in English:


nounplural noun glacis/ˈɡlasiːz/

  • 1A bank sloping down from a fort which exposes attackers to the defenders' missiles.

    ‘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.’
    • ‘On 21 May, having sapped up to the glacis of the city ramparts, which heavy bombardment had almost made untenable, Versaillais troops entered the city.’
    hill, hillside, hillock, bank, rise, escarpment, scarp
  • 2also glacis plateA sloping piece of armour plate protecting part of a vehicle.

    ‘If it is pushed out of alignment by the glacis plate, it will detonate the mine underneath the belly of the AFV.’
    • ‘The glacis plate and nose of the hull have been upgraded with the addition of passive armour and the turret has been fitted with stand-off armour.’
    • ‘Other changes included adding a gun shield, a searchlight, an antipersonnel round, and belly armor that extended from the lower front glacis to about the middle of the vehicle.’



/ˈɡlasɪs/ /ˈɡlasi/


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