Term: octagon: an eight-sided polygon
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: auto limitation: social control achieved as a manifestation of self-will or general consent
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: gregorian calendar: the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years; it was adopted by Great Britain and the American colonies in 1752
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: genius: exceptional creative ability
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: wage freeze: a freeze of wages at a given level
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: polish: a preparation used in polishing
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: hush: (poetic) tranquil silence
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: exploration: a systematic consideration
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: pronominal phrase: a phrase that functions as a pronoun
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: tectaria: terrestrial or epilithic ferns of tropical rain forests
Broader: polygon: a closed plane figure bounded by straight sides | Unrelated: black operation: a covert operation not attributable to the organization carrying it out