Acanthus
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): (n.) A genus of herbaceous prickly plants, found in the south of Europe, Asia Minor, and India; bear's-breech.
(2): (n.) An ornament resembling the foliage or leaves of the acanthus (Acanthus spinosus); - used in the capitals of the Corinthian and Composite orders.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
(Lat. from Ἄκανθος , A Thorn), a plant the leaves of which are imitated in the capitals of the Corinthian and Composite orders.
The Nuttall Encyclopedia [3]
A leaf-like ornament on the capitals of the columns of certain orders of architecture.