periostracum
nounEtymology
Literally "surrounding shell", from peri- + ostracum.
Definitions
The proteinaceous outer sheath of many molluscan shells.
The neighborhood
Vish — recursive loop
No curated loop yet for periostracum. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA