Synset:fastness
Hypernyms:defence defense defensive structure
Inherited Hypernyms:strongholddefensive structurestructureartifactwholeobjectphysical entityentity
Direct Hyponyms:bastionblockhousecitadeldonjondungeonholdkeepredoubt
Full Hyponyms:
acropolisbastionblockhouseholdkeepkremlinredoubt