Pronunciation: (i-kī'nus), [key]
—pl. -niPronunciation: (-nī). [key]
1. any sea urchin of the genus Echinus.
a. an ovolo molding, esp. one having an outline with several radii or one carved with an egg-and-dart pattern. See illus. under molding.
b. the prominent circular molding supporting the abacus of a Doric or Tuscan capital.
c. Also called cymatium. the circular molding, usually carved with an egg-and-dart pattern, forming part of an Ionic capital between the volutes and under the balteus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.