Ruled surface

Rule \Rule\, n.
   [Webster 1913 Suppl.]

   Syn: regulation; law; precept; maxim; guide; canon; order;
        method; direction; control; government; sway; empire.
        [1913 Webster] Rule \Rule\, v. t. [imp. & p. p. {Ruled};
   p. pr. & vb. n. {Ruling}.] [Cf. OF. riuler, ruiler, L.
   regulare. See {Rule}, n., and cf. {Regulate}.]
   1. To control the will and actions of; to exercise authority
      or dominion over; to govern; to manage. --Chaucer.
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            A bishop then must be blameless; . . . one that
            ruleth well his own house, having his children in
            subjection.                           --1 Tim. iii.
                                                  2, 4.
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   2. To control or direct by influence, counsel, or persuasion;
      to guide; -- used chiefly in the passive.
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            I think she will be ruled
            In all respects by me.                --Shak.
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   3. To establish or settle by, or as by, a rule; to fix by
      universal or general consent, or by common practice.
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            That's are ruled case with the schoolmen.
                                                  --Atterbury.
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   4. (Law) To require or command by rule; to give as a
      direction or order of court.
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   5. To mark with lines made with a pen, pencil, etc., guided
      by a rule or ruler; to print or mark with lines by means
      of a rule or other contrivance effecting a similar result;
      as, to rule a sheet of paper of a blank book.
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   {Ruled surface} (Geom.), any surface that may be described by
      a straight line moving according to a given law; -- called
      also a {scroll}.
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