noun
ark shells
• Syn: ↑family Arcidae
• Hypernyms: ↑mollusk family
• Member Holonyms: ↑Bivalvia, ↑class Bivalvia, ↑Lamellibranchia, ↑class Lamellibranchia, ↑class Pelecypoda
• Member Meronyms: ↑Arca, ↑genus Arca
* * *
\\ˈärsəˌdē\ noun pluralUsage: capitalized
: a large family of chiefly tropical lamellibranch mollusks (order Filibranchia) with ribbed equivalve shell having a strong toothed hinge — see ark shell
Useful english dictionary. 2012.