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bowlder-wallBOWLDER-WALL, n. A wall constructed of pebbles or bowlders of flint or other siliceous stones, which have been rounded by the action of water. |
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bowlder-wallBOWLDER-WALL, n. A wall constructed of pebbles or bowlders of flint or other siliceous stones, which have been rounded by the action of water. |