sea mile

from WordNet (r) 3.0 (2006)

sea mile
    n 1: a former British unit of length once used in navigation;
         equivalent to 6,000 feet (1828.8 meters) [syn: {sea mile},
         {mile}]

from The Collaborative International Dictionary of English v.0.48

Sea mile \Sea" mile`\
   A geographical mile. See {Mile}.
   [1913 Webster]

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