Octagonal

At the convocation, all the faculty and deans wore their doctoral regalia and octagonal hats.

The magnificent octagonal Baptistery is said to have been originally a Temple of Apollo, and the eight monolithic columns that support the modern cupola are of the Roman period.

Near Smeinogorsk an octagonal tumulus has been found containing the corpse of a horse near a rectangular one with a human corpse, both within stone circles.

The sundials range in shape from octagonal to the usual round. Prices range from $75 to $375.