a period from noon of one day to noon of the next, used in reckoning time aboard ship.
[naw-ti-kuh l, not-i-] /ˈnɔ tɪ kəl, ˈnɒt ɪ-/ adjective 1. of or relating to sailors, ships, or navigation: nautical terms. /ˈnɔːtɪkəl/ adjective 1. of, relating to, or involving ships, navigation, or sailors adj. 1550s, from -al (1) + nautic from Middle French nautique, from Latin nauticus “pertaining to ships or sailors,” from Greek nautikos “seafaring, […]
noun 1. a unit of distance used chiefly in navigation, equal to 6080.20 feet (1853.25 meters) in the U.S., now replaced by the international nautical mile. noun 1. Also called international nautical mile, air mile. a unit of length, used esp in navigation, equivalent to the average length of a minute of latitude, and corresponding […]
- Nautical twilight
noun the period after civil twilight until the time when the center of the refracted Sun is more than 12 degrees below the horizon Examples Nautical twilight is when the brighter stars used for celestial navigation have appeared and the horizon may still be seen.
[nawt-l-uh s, not-] /ˈnɔt l əs, ˈnɒt-/ noun, plural nautiluses, nautili [nawt-l-ahy, not-] /ˈnɔt lˌaɪ, ˈnɒt-/ (Show IPA), for 1, 2. 1. Also called chambered nautilus, pearly nautilus. any cephalopod of the genus Nautilus, having a spiral, chambered shell with pearly septa. 2. . 3. (initial capital letter) the first nuclear-powered submarine launched by the […]