echini

echini

A marine biologist carefully examines a spiny echini on the ocean floor.

Definition

Noun (plural of echinus): 1. Zoology: The plural form of "echinus," referring to sea urchins, a type of marine animal with a spiny, round shell.
2. Architecture: The plural form of "echinus," referring to a rounded molding or convex ornament, especially in classical architecture, such as the curved part of a Doric column capital.

Usage Examples
  • Zoology: (The pools were full of sea urchins.)
  • Architecture: (The column capitals had rounded, decorated moldings.)
Advanced Usage
  • "Echini" in scientific classification: In biological taxonomy, "echini" may be used as a plural term for species within the class Echinoidea. (They documented uncommon sea urchins.)
Variants and Related Words
  • Echinus (singular noun): The base form. (One sea urchin moved.)
  • Echinate (adj): Having spines or prickles. (The spiny exterior discouraged animals.)
Synonyms
  • Sea urchins: The common term for echini in zoology.
  • Ovolo molding: A synonym for echini in architecture, referring to the convex curve.
Related Idioms
  • No common idioms exist for "echini," as it is a specialized term.