co·qui·na (k -k  n )n. 1. Any of various small marine clams of the genus Donax that are common in the coastal waters of the eastern and southern United States and have variously colored, often striped or banded shells. 2. A soft porous limestone, composed essentially of fragments of shells and coral, used as a building material. [Spanish, cockle, probably diminutive of concha, shell, from Latin, mussel; see conch.] |
coquina [kɒˈkiːnə]
n
(Earth Sciences / Geological Science) a soft limestone consisting of shells, corals, etc., that occurs in parts of the US
[from Spanish: shellfish, probably from concha shell, conch]
| coquina (k-kn) A soft porous limestone, composed of shells and fragments of shell and coral that are partially cemented by material that is high in calcium carbonate and has not completely hardened. |
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