Fortification. A keep or stronghold into which a garrison may retreat if the outworks are taken, thereby prolonging the defence of the place. Compare "redoubt", reduct. Now historical.
Origin
Late 15th century (in an earlier sense).
Definition of reduit in US English:
reduit
nounrəˈdwiː
Fortification. A keep or stronghold into which a garrison may retreat if the outworks are taken, thereby prolonging the defence of the place. Compare "redoubt", reduct. Now historical.