Word Study
coquina
CIDE DICTIONARY
coquina, n. [Sp., shellfish, cockle.].
A soft, whitish, coral-like stone, formed of broken shells and corals, found in the southern United States, and used for roadbeds and for building material, as in the fort at St. Augustine, Florida. [1913 Webster]
OXFORD DICTIONARY
coquina, n. US a soft limestone of broken shells, used in road-making.
Etymology
Sp., = cockle
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