sphaeridium

Fetched 2026-10-26 (cache).

Synonyms: sphaeridia

Antonyms: sphaeridia

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|botany}} {{syn of|en|capitulum}}.
2. {{lb|en|zoology}} A tiny, spherical [[appendage]], generally formed in masses to form a kind of [[sense organ]], found on the {{l|en|test|id=marine biology}} of most [[sea urchin]]s. It is generally supposed to be an [[olfactory]] organ, or for [[equilibrium]], similar to the [[otolith]]

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.