Term: regular octahedron: an octahedron with eight equilateral triangles as faces
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: pocket battleship: a small battleship built to conform with treaty limitations on tonnage and armament (from 1925 to 1930)
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: whipcord: a strong worsted or cotton fabric with a diagonal rib
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: hajj: the fifth pillar of Islam is a pilgrimage to Mecca during the month of Dhu al-Hijja; at least once in a lifetime a Muslim is expected to make a religious journey to Mecca and the Kaaba
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: young buck: a teenager or a young adult male
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: corsair: a swift pirate ship (often operating with official sanction)
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: rictus: a gaping grimace
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: genus calypso: one species found throughout much of northern North America and Eurasia
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: cytogenetics: the branch of biology that studies the cellular aspects of heredity (especially the chromosomes)
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: hawk: an advocate of an aggressive policy on foreign relations
Broader: shape: the spatial arrangement of something as distinct from its substance | Unrelated: united arab emirate dirham: the basic unit of money in the United Arab Emirates; equal to 1,000 fils