Term: fortress: a fortified defensive structure
Broader: artifact: a man-made object taken as a whole | Unrelated: electric bill: a bill for money owed for electricity used
Broader: artifact: a man-made object taken as a whole | Unrelated: headroom: vertical space available to allow easy passage under something
Broader: artifact: a man-made object taken as a whole | Unrelated: sod: an informal British term for a youth or man
Broader: artifact: a man-made object taken as a whole | Unrelated: ricinus: a genus of herb having only one known species: castor-oil plant
Broader: artifact: a man-made object taken as a whole | Unrelated: accession: a process of increasing by addition (as to a collection or group)
Broader: artifact: a man-made object taken as a whole | Unrelated: ouranopithecus: a genus of Hominidae
Broader: artifact: a man-made object taken as a whole | Unrelated: photostat: a photocopy made on a Photostat machine
Broader: artifact: a man-made object taken as a whole | Unrelated: sunburst pleat: knife pleat cut on the bias to produce a flared effect
Broader: artifact: a man-made object taken as a whole | Unrelated: deuteron: the nucleus of deuterium; consists of one proton and one neutron; used as a bombarding particle in accelerators
Broader: artifact: a man-made object taken as a whole | Unrelated: cipher: a secret method of writing