nounpl. -·cis· or -·cises
- a gradual slope
- an embankment sloping gradually up to a fortification, so as to expose attackers to defending gunfire
Origin of glacisFrench from Old French glacier, to slip from glace, ice from Vulgar Latin glacia: see glacier
- a. A gentle slope; an incline.b. A slope extending down from a fortification.
- A neutral area separating conflicting forces.
Origin of glacisFrench from Old French from glacer to slide from glace ice from Vulgar Latin glacia from Latin glaciēs ; see gel- in Indo-European roots.
(plural glacises or glacis)
- An administrative district in Seychelles