noun.
A stylized palm leaf used as a decorative element, notably in Persian rugs and in classical moldings, reliefs, frescoes, and vase paintings.
The Century Dictionary and Cyclopedia
noun.
In class. archæol., an ornament more or less resembling a palm-leaf, whether carved in relief on moldings, etc., or painted; an anthemion. See cut on following page.
noun.
In certain gastropods, an appendage of the head.
the GNU version of the Collaborative International Dictionary of English
noun.
A floral ornament, common in Greek and other ancient architecture; -- often called the honeysuckle ornament.