globular sailing

Globular \Glob"u*lar\, a. [Cf. F. globulaire.]
   Globe-shaped; having the form of a ball or sphere; spherical,
   or nearly so; as, globular atoms. --Milton.
   [1913 Webster]

   {Globular chart}, a chart of the earth's surface constructed
      on the principles of the globular projection.

   {Globular projection} (Map Projection), a perspective
      projection of the surface of a hemisphere upon a plane
      parallel to the base of the hemisphere, the point of sight
      being taken in the axis produced beyond the surface of the
      opposite hemisphere a distance equal to the radius of the
      sphere into the sine of 45[deg].

   {Globular sailing}, sailing on the arc of a great circle, or
      so as to make the shortest distance between two places;
      circular sailing.
      [1913 Webster]
    

Circular \Cir"cu*lar\, a. [L. circularis, fr. circulus circle:
   cf. F. circulaire. See {Circle}.]
   [1913 Webster]
   1. In the form of, or bounded by, a circle; round.
      [1913 Webster]

   2. repeating itself; ending in itself; reverting to the point
      of beginning; hence, illogical; inconclusive; as, circular
      reasoning.
      [1913 Webster]

   3. Adhering to a fixed circle of legends; cyclic; hence,
      mean; inferior. See {Cyclic poets}, under {Cyclic}.
      [1913 Webster]

            Had Virgil been a circular poet, and closely adhered
            to history, how could the Romans have had Dido?
                                                  --Dennis.
      [1913 Webster]

   4. Addressed to a circle, or to a number of persons having a
      common interest; circulated, or intended for circulation;
      as, a circular letter.
      [1913 Webster]

            A proclamation of Henry III., . . . doubtless
            circular throughout England.          --Hallam.
      [1913 Webster]

   5. Perfect; complete. [Obs.]
      [1913 Webster]

            A man so absolute and circular
            In all those wished-for rarities that may take
            A virgin captive.                     --Massinger.
      [1913 Webster]

   {Circular are}, any portion of the circumference of a circle.
      

   {Circular cubics} (Math.), curves of the third order which
      are imagined to pass through the two circular points at
      infinity.

   {Circular functions}. (Math.) See under {Function}.

   {Circular instruments}, mathematical instruments employed for
      measuring angles, in which the graduation extends round
      the whole circumference of a circle, or 360[deg].

   {Circular lines}, straight lines pertaining to the circle, as
      sines, tangents, secants, etc.

   {Circular note}{ or Circular letter}.
      (a) (Com.) See under {Credit}.
      (b) (Diplomacy) A letter addressed in identical terms to a
          number of persons.

   {Circular numbers} (Arith.), those whose powers terminate in
      the same digits as the roots themselves; as 5 and 6, whose
      squares are 25 and 36. --Bailey. --Barlow.

   {Circular points at infinity} (Geom.), two imaginary points
      at infinite distance through which every circle in the
      plane is, in the theory of curves, imagined to pass.

   {Circular polarization}. (Min.) See under {Polarization}.

   {Circular sailing} or {Globular sailing} (Naut.), the method
      of sailing by the arc of a great circle.

   {Circular saw}. See under {Saw}.
      [1913 Webster]