Crossword Clue:

CASTELLUM a fort

Answer	Crossword Clue
SIEGING	Surrounding a fort
LIS	A fairy fort.
DEFENDS	Protects, as a fort

MOAT	Trench around a fort
ALAMO	A fort to remember.
SIEGE	Attack on a fort
ARSENAL	Part of a fort.
KNOX	Fort with a fortune
QUAKERGUN	Dummy in a fort
TREE	Place for a fort
TREE	Site of a small fort

KNOXKNOCKS	Complaints about a Kentucky fort?
SIEGE	Attack on a fort, maybe
TENABLE	Like a well-armed fort
TREE	It may feature a fort
TREE	Place for a kids' fort
KNOX	Fort with a huge vault
ESCARPS	Builds slopes around a fort
PARAPET	Shooter's position in a fort

CASEMATE	Bombproof chamber in a fort
DEBLAI	Excavation, as in a fort: Fr.
VIDEODIX	Keep a Northeastern fort under surveillance?
SUMTER	Name of a Civil War fort
PELTS	Attacks from a snow fort, say
QUAKERGUN	Dummy firearm, as on a fort
OPPORTUNITYKNOX	Job listing at a noted fort?
SIEGE	Attack on a fort, e.g.

HALFBAKED	Like a plot to rob Fort Knox
INGOTBUSTED	Headline about a mishap at Fort Knox?
ORD	California fort named for a Union general
ORD	Former fort named for a Union general
ORD	Fort made a National Monument in 2012
BRAGG	Confederate general with a fort named after him
MIAMIFREE	Like a Florida that ends at Fort Lauderdale
SNOW	What you might build a winter fort with

ORD	Fort named for a Civil War major general
TEAFORTWO	Partially write a Fort Worth song (3,3,3)
ORD	Union Army officer Edward for whom a fort was named
KNOX	First U.S. secretary of war (for whom a fort was named)
KNOX	Fort ...