Definition of "oyster-shell" []

• The shell of an oyster. (noun)

The Century Dictionary (Public Domain)

• "Chemical analyses confirmed that the bricks were fired from local clay and set in oyster-shell mortar - all copied in the reconstruction led by mason Jimmy Price, owner of Virginia Limeworks."
• "Avoid “natural” calcium supplements such as oyster-shell calcium or bone meal that are less regulated and may contain lead."
• "There's exquisite attention to details, like the oyster-shell- and driftwood chandeliers in the restaurant and the terrace bar."