From HomoExcelsior

1. An embankment of earth and rock built to prevent floods. 2. A low wall, often of sod, dividing or enclosing lands. 3. A barrier blocking a passage, especially for protection. 4. A raised causeway. 5. A ditch; a channel. 6. A long mass of igneous rock that cuts across the structure of adjacent rock. 7. To protect, enclose, or provide with a dike. 8. To drain with dikes or ditches.

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