Assertion: octagonal spire | /r/CapableOf | free space
Facets:
value: else
type: MANNER
Source sentences:
text: Since towers supporting spires are usually square, square-plan spires emerge directly from the tower's walls, but octagonal spires either called for a pyramidal transition section called a broach at the spire's base, or else freed spaces around the tower's summit for decorative elements like pinnacles.