noun entasis A slight convex curve in the shaft of a column, introduced to correct the visual illusion of concavity produced by a straight shaft. 1
noun entasis a slightly convex curve given to the shaft of a column, pier, or similar structure, to correct the illusion of concavity produced by a straight shaft 0
noun entasis an involuntary or spasmodic muscular contraction 0
noun entasis a slight, convex swelling in the shaft of a column: it prevents the illusion of concavity produced by a perfectly straight shaft 0
