sphaeridium (English, noun)
expansion: sphaeridium (plural sphaeridia)
Senses:
topics: biology
botany
natural-sciences
glosses: Synonym of capitulum.
topics: biology
natural-sciences
zoology
glosses: A sense organ found on the exterior of most sea urchins, consisting of an oval or spherical head surmounting a short pedicel. It is generally supposed to be an olfactory organ, or for equilibrium.
Forms:
form: sphaeridia
tags: plural