fort

a structure made of snow, built for play

a fort built on a hill, often for defensive advantage

a fort built by the Romans

a fort from the Iron Age historical period

a fort from the Saxon period

a fort located on a country's border

used to describe a fort being captured by an enemy

indicates being present at the general location of the fort

indicates being inside the physical structure of the fort

to defend and maintain control of the fort; also used idiomatically to mean taking care of things temporarily

to construct a fort

to launch a military assault on a fort