Entasis

• POS: Noun
• HYPHEN: en=ta=sis

CIDE DICTIONARY

Entasis, n. [NL., from Gr. a stretching; fr. ; in + to extend.].

•  A slight convex swelling of the shaft of a column.  [1913 Webster]
•  Same as Entasia.  [1913 Webster]

OXFORD DICTIONARY

Entasis, n. Archit. a slight convex curve in a column shaft to correct the visual illusion that straight sides give of curving inwards.

Etymology

mod.L f. Gk f. enteino to stretch