Definition of "cymatium" [cy•ma•ti•um]

• See cyma. (noun)
• The topmost molding of a classical cornice. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Its cymatium is one seventh of the whole height of the frieze, and the projection of the cymatium is the same as its height."
• "Eva Leplat carves the cymatium band on a block from the first arch."
• "The final step in this process is the carving of the decoration (a Lesbian cymatium and several rows of bead-and-reel) onto the new block."