Obsidional
Obsidional , adjective
[Latin obsidionalis, from obsidio a siege, obsidere to besiege: compare French obsidional. See Obsess.]
Of or pertaining to a siege.
Collocations (1)
Obsidional crown (Rom. Antiquities) , a crown bestowed upon a general who raised the siege of a beleaguered place, or upon one who held out against a siege.