[], (Adjective)

Definitions:
- Of a sponge spicule: having a single (straight or curved) axis.


Phrases:

Origin:
late 19th century; earliest use found in Encyclopaedia Britannica

[], (Noun)

Definitions:
- A monaxon sponge spicule.


Phrases:

Origin:
late 19th century; earliest use found in Encyclopaedia Britannica