Chesapeake Bay - Glossary
Chesapeake Bay - Our History and Our Future

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Bow The front part of a ship.
Economy The way a country uses its money, goods, and services.
Hexagonal Having six sides.
Lens A piece of curved glass that changes the direction of the light passing through it. In a lighthouse, the light passing through the lens is spread out so that it looks brighter.
Lighthouse tender The boat that brought supplies to the lighthouses.
Navigation The science of locating a ship's position on the sea and planning its course
Range light Lighthouse used to give directions, such as an entrance to a harbor or channels.
Riprap A pile of stones placed in the water. Riprap protects the shore or some other structure from erosion caused by the currents of the water.
Shoals A shallow place in a body of water.
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