echinothurioid
Fetched 2026-10-26 (cache).
Datamuse reports no synonyms or antonyms for this word.
Noun
- Any deep-sea [[sea urchin]] of the order {{taxfmt|Echinothurioida|order}}
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.