| 释义 |
cas·sid·i·dae
\kəˈsidəˌdē, ka-\ noun plural
Usage: capitalized
Etymology: New Latin, from Cassid-, Cassis, type genus + -idae
: a family of usually large marine gastropod mollusks (order Pectinibranchia) having thick heavy shells of which many are used for making cameos — see helmet shell |