1. Primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
   - chiton, coat-of-mail shell, sea cradle

Derived forms: polyplacophores

Type of: mollusc, mollusk, shellfish

Part of: genus Chiton

• song sparrow
• song thrush
• songbird
• songbook
• songfest
• songful
• songfulness
• Songhai
• songlike
• songster
• songstress
• songwriter
• sonic
• sonic barrier
• sonic boom
• sonic delay line
• sonic depth finder
• sonnet
• sonneteer
• sonny
• sonny boy
• Sonny Liston
• sonobuoy
• sonogram
• sonograph