heart urchin

noun

Meaning

Any echinoderm of the class Spatangoida.

Etymology / origin

No prose etymology has been added yet.

No ancestor words have been linked yet.

Related words

spatangoid(English)sea urchin(English)euechinoid(English)echinothurioid(English)echinoid(English)spatangid(English)spantagoid(English)echinometrid(English)

Descendant words

No descendant words have been linked yet.

Sources

DictionaryAPI.dev English dictionary data