rhumb-line course

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• Rhumb line — In navigation, a rhumb line (or loxodrome) is a line crossing all meridians at the same angle, i.e. a path of constant bearing. Unlike a great circle route (for which bearing is not constant), following a rhumb line requires turning the vehicle… …   Wikipedia

• rhumb line — Rhumb Rhumb, n. [F. rumb, Sp. rumbo, or Pg. rumbo, rumo, probably fr. Gr. ??? a magic wheel, a whirling motion, hence applied to a point of the compass. See {Rhomb}.] (Navigation) A line which crosses successive meridians at a constant angle;… …   The Collaborative International Dictionary of English

• rhumb line — n. the course of a ship that keeps a constant compass direction, represented on a map, chart, or globe by a line that cuts across all meridians at the same angle …   English World dictionary

• RHUMB LINE —    a circle on the earth s surface making a given angle with the meridian; applied to the course of a ship in navigation …   The Nuttall Encyclopaedia

• Rhumb — Rhumb, n. [F. rumb, Sp. rumbo, or Pg. rumbo, rumo, probably fr. Gr. ??? a magic wheel, a whirling motion, hence applied to a point of the compass. See {Rhomb}.] (Navigation) A line which crosses successive meridians at a constant angle; called… …   The Collaborative International Dictionary of English

• rhumb — noun (plural rhumbs) Etymology: Spanish rumbo rhumb, rhumb line Date: 1578 1. a line or course on a single bearing 2. any of the points of the mariner s compass …   New Collegiate Dictionary

• rhumb — [rʌm] noun Nautical 1》 (also rhumb line) an imaginary line on the earth s surface cutting all meridians at the same angle, used to plot a ship s course on a chart. 2》 any of the thirty two points of the compass. Origin C16: from Fr. rumb (earlier …   English new terms dictionary

• To sail on a rhumb — Rhumb Rhumb, n. [F. rumb, Sp. rumbo, or Pg. rumbo, rumo, probably fr. Gr. ??? a magic wheel, a whirling motion, hence applied to a point of the compass. See {Rhomb}.] (Navigation) A line which crosses successive meridians at a constant angle;… …   The Collaborative International Dictionary of English

• Loxodromic line — Loxodromic Lox o*drom ic, a. [Gr. ? slanting, oblique + ? a running, course; cf. F. loxodromique.] Pertaining to sailing on rhumb lines; as, loxodromic tables. [1913 Webster] {Loxodromic curve} or {Loxodromic line} (Geom.), a line on the surface… …   The Collaborative International Dictionary of English

• loxodromic line — loxodromic curve or loxodromic line, a line on the surface of a sphere cutting all meridians at the same angle, such as that formed by the path of a ship whose course is constantly directed to the same point of the compass in a direction oblique… …   Useful english dictionary

• sailing — i. The method of calculating tracks and distances without plotting and measuring or using other allied processes, such as fixing a position by knowing the run along a track from a starting point. The various types of sailings are parallel sailing …   Aviation dictionary