any sea urchin of the genus Echinus.
an ovolo molding, especially one having an outline with several radii or one carved with an egg-and-dart pattern.
the prominent circular molding supporting the abacus of a Doric or Tuscan capital.
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.
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How to use echinus in a sentence
In echinus, on the other hand, where the polar bodies are formed in the ovary, the male pronucleus is always small.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
echinus (e-kīnus), in architecture, the ovolo or quarter-round convex moulding, seen in capitals of the Doric order.The New Gresham Encyclopedia | Various
Boveri has crossed echinus microtuberculatus with Sphaerechinus granularis.
Yet the echinus can have, at the best, none but the most distant genetic relationship with the Polyzoa.On the Genesis of Species | St. George Mivart
The second class is that to which the sea-urchin, or echinus, belongs, of which there are many genera and species.A Conchological Manual | George Brettingham Sowerby
British Dictionary definitions for echinus
architect an ovolo moulding between the shaft and the abacus of a Doric column
any of the sea urchins of the genus Echinus, such as E. esculentus (edible sea urchin) of the Mediterranean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012