entasis

English Thesaurus

1. a slight convexity in the shaft of a column; compensates for the illusion of concavity that viewers experience when the sides are perfectly straight (noun.shape)

hypernym	:	convex shape, convexity,
definition	:	a shape that curves or bulges outward (noun.shape)

part meronym	:	column, pillar,
definition	:	(architecture) a tall vertical cylindrical structure standing upright and used to support a structure (noun.artifact)

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