octagonal
/ɒkˈtaɡ(ə)n(ə)l
/adjective
Having the shape or cross section of an octagon; eight-sided: an octagonal tower...
- This octagonal room with a panelled ceiling has views over the private mature gardens.
- I also liked the octagonal studded table with matching stools and chairs.
- A large domed octagonal chapel was added.
