Nau·tic·al a.  Of or pertaining to seamen, to the art of navigation, or to ships; as, nautical skill.
 Syn: -- Naval; marine; maritime. See Naval.
 Nautical almanac. See under Almanac.
 Nautical distance, the length in nautical miles of the rhumb line joining any two places on the earth's surface.
 nautical mile. See under Mile.
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 Al·ma·nac n.  A book or table, containing a calendar of days, and months, to which astronomical data and various statistics are often added, such as the times of the rising and setting of the sun and moon, eclipses, hours of full tide, stated festivals of churches, terms of courts, etc.
 Nautical almanac, an almanac, or year book, containing astronomical calculations (lunar, stellar, etc.), and other information useful to mariners.
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