What is (a) To cause to ride with one anchor less than before, after having been moored by two or more anchors. (b) To loose from anchorage. See Moor, v. t called?

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unmoor — (a) To cause to ride with one anchor less than before, after having been moored by two or more anchors. (b) To loose from anchorage. See Moor, v. t. (Webster's 1913.)

What is (a) To cause to ride with one anchor less than before, after having been moored by two or more anchors. (b) To loose from anchorage. See Moor, v. t called?

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