entasis

[ en-tuh-sis ]

noun

, Architecture.

1. a slight convexity given to a column or tower, as to correct an optical illusion.

entasis

/ ˈɛntəsɪs /

noun

1. 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
2. Also calledentasiaɛnˈteɪzɪə physiol an involuntary or spasmodic muscular contraction

Word History and Origins

Origin of entasis¹

1745–55; < Greek, equivalent to enta- (variant stem of enteínein to stretch tight, equivalent to en- en- ² + teínein to stretch) + -sis -sis

Word History and Origins

Origin of entasis¹

C18: from Greek, from enteinein to stretch tight, from teinein to stretch

Example Sentences

The entasis is almost invariably introduced in the spires of English churches.

From Project Gutenberg

The entasis of columns and curvature of what would ordinarily be straight lines is familiar to all students of architecture.

From Project Gutenberg

This is called the entasis of the spire, and belongs to the study of optics in architecture.

From Project Gutenberg

The shaft was covered with channelled flutings, and rose vertically with a convex extension of its circumference (called entasis).

From Project Gutenberg

The shaft is well shaped, with a moderate swelling (entasis).

From Project Gutenberg