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1 definition found
 for Parallel rod
From The Collaborative International Dictionary of English v.0.48 :

  Parallel \Par"al*lel\, a. [F. parall[`e]le, L. parallelus, fr.
     Gr. ?; para` beside + ? of one another, fr. ? other, akin to
     L. alius. See Alien.]
     1. (Geom.) Extended in the same direction, and in all parts
        equally distant; as, parallel lines; parallel planes.
        [1913 Webster]
              Revolutions . . . parallel to the equinoctial.
        [1913 Webster]
     Note: Curved lines or curved planes are said to be parallel
           when they are in all parts equally distant.
           [1913 Webster]
     2. Having the same direction or tendency; running side by
        side; being in accordance (with); tending to the same
        result; -- used with to and with.
        [1913 Webster]
              When honor runs parallel with the laws of God and
              our country, it can not be too much cherished.
        [1913 Webster]
     3. Continuing a resemblance through many particulars;
        applicable in all essential parts; like; similar; as, a
        parallel case; a parallel passage. --Addison.
        [1913 Webster]
     Parallel bar.
        (a) (Steam Eng.) A rod in a parallel motion which is
            parallel with the working beam.
        (b) One of a pair of bars raised about five feet above the
            floor or ground, and parallel to each other, -- used
            for gymnastic exercises.
     Parallel circles of a sphere, those circles of the sphere
        whose planes are parallel to each other.
     Parallel columns, or Parallels (Printing), two or more
        passages of reading matter printed side by side, for the
        purpose of emphasizing the similarity or discrepancy
        between them.
     Parallel forces (Mech.), forces which act in directions
        parallel to each other.
     Parallel motion.
        (a) (Mach.) A jointed system of links, rods, or bars, by
            which the motion of a reciprocating piece, as a piston
            rod, may be guided, either approximately or exactly in
            a straight line. --Rankine.
        (b) (Mus.) The ascending or descending of two or more
            parts at fixed intervals, as thirds or sixths.
     Parallel rod (Locomotive Eng.), a metal rod that connects
        the crank pins of two or more driving wheels; -- called
        also couping rod, in distinction from the connecting
        rod. See Illust. of Locomotive, in App. -- Parallel
     ruler, an instrument for drawing parallel lines, so
        constructed as to have the successive positions of the
        ruling edge parallel to each other; also, one consisting
        of two movable parts, the opposite edges of which are
        always parallel.
     Parallel sailing (Naut.), sailing on a parallel of
     Parallel sphere (Astron. & Geog.), that position of the
        sphere in which the circles of daily motion are parallel
        to the horizon, as to an observer at either pole.
     Parallel vise, a vise having jaws so guided as to remain
        parallel in all positions.
        [1913 Webster]

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