1. a small, colorful clam found in shallow coastal waters, often used as food or bait
Usage: common in Atlantic and Gulf Coast regions of North America
2. a sedimentary rock composed of shell fragments and coral debris, used as a building material
Usage: geology; found in coastal regions

Examples

• The beach was dotted with colorful coquina shells after the storm.
• We dug for coquinas in the shallow water to use as bait for fishing.
• The old fort was built from coquina stone, which has weathered centuries of salt spray.
• Coquina clams are a delicacy in coastal Florida cuisine.
• The coquina rock formations along the coast are popular with geologists.
• Children enjoyed collecting coquina shells along the shoreline.