ARK SHELL as NOUN

1. Meaning
   • marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
   Hypernyms(s) ark shell is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • bivalve (what does bivalve mean?)
   • pelecypod (what does pelecypod mean?)
   • lamellibranch (what does lamellibranch mean?)