octagonal

Definition

Shaped like an octagon, in having eight sides and eight angles.

Etymology

From octagon + -al.

Example Sentences

• "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."