n. - A genus of echinoderms, including the common edible sea
urchin of Europe.
n. - The rounded molding forming the bell of the capital of the
Grecian Doric style, which is of a peculiar elastic curve. See
Entablature.
n. - The quarter-round molding (ovolo) of the Roman Doric
style. See Illust. of Column
n. - A name sometimes given to the egg and anchor or egg and
dart molding, because that ornament is often identified with Roman
Doric capital. The name probably alludes to the shape of the shell of
the sea urchin.