Volute
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) A spiral scroll which forms the chief feature of the Ionic capital, and which, on a much smaller scale, is a feature in the Corinthian and Composite capitals. See Illust. of Capital, also Helix, and Stale.
(2): ( n.) Any voluta.
(3): ( n.) A spiral turn, as in certain shells.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
(Lat. volutus=turned), a spiral scroll forming the principal characteristic of the Ionic capital. Volutes are also used on the capitals of the Corinthian and Composite orders. Several examples will be found in the ‘ illustrations accompanying the article (See Order).