- A mollusc - Bivalve mollusc - Small edible shellfish - A bivalve mollusk, with radiating ribs, of the genus
Cardium, especially C. edule, used in Europe for food; -- sometimes
applied to similar shells of other genera. - A cockleshell. - The mineral black tourmaline or schorl; -- so called by the
Cornish miners. - The fire chamber of a furnace.
- A black submetallic mineral consisting of oxide of
chromium and iron; -- called also chromic iron. - A compound or salt of chromous hydroxide regarded as an
acid.