Assertion: fortress's gate | /r/ObjectUse | used for defensive purposes
Facets:
Source sentences:
text: Barbicans sometimes take the form of a tower situated over a gate or bridge which was used for defensive purposes.
text: A barbican (from Old French: barbacane) is a fortified outpost or gateway, such as at an outer defense perimeter of a city or castle, or any tower situated over a gate or bridge which was used for defensive purposes.