fiducial edge

1 definition found

fiducial edge - Collaborative International Dictionary of English v.0.48 :

  Fiducial \Fi*du"cial\, a. [L. fiducia trust, confidence; akin to
     fides faith. See Faith.]
     1. Having faith or trust; confident; undoubting; firm.
        "Fiducial reliance on the promises of God." --Hammond.
        [1913 Webster]
  
     2. Having the nature of a trust; fiduciary; as, fiducial
        power. --Spelman.
        [1913 Webster]
  
     Fiducial edge (Astron. & Surv.), the straight edge of the
        alidade or ruler along which a straight line is to be
        drawn.
  
     Fiducial line or Fiducial point (Math. & Physics.), a
        line or point of reference, as for setting a graduated
        circle or scale used for measurments.
        [1913 Webster]