sphaeridium Meaning, Definition & Usage

Sphæ*rid"i*um noun (Also<

• Sphaeridium
• Sphæridium

)

Etymology

NL., fr. Gr. a sphere.

Wordforms

plural Sphæridia

Definitions

1. (Zoöl.) A peculiar sense organ found upon the exterior of most kinds of sea urchins, and consisting of an oval or sherical head surmounting a short pedicel. It is generally supposed to be an olfactory organ.