Ruling \Rul"ing\, a.

1. Predominant; chief; reigning; controlling; as, a ruling passion; a ruling sovereign.

2. Used in marking or engraving lines; as, a ruling machine or pen.

Syn: Predominant; chief; controlling; directing; guiding; governing; prevailing; prevalent.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Ruling \Rul"ing\, n.

1. The act of one who rules; ruled lines.

2. (Law) A decision or rule of a judge or a court, especially an oral decision, as in excluding evidence.

Source: Webster's Revised Unabridged Dictionary (1913)
 

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.

A bishop then must be blameless; . . . one that ruleth well his own house, having his children in subjection. --1 Tim. iii. 2, 4.

2. To control or direct by influence, counsel, or persuasion; to guide; -- used chiefly in the passive.

I think she will be ruled In all respects by me. --Shak.

3. To establish or settle by, or as by, a rule; to fix by universal or general consent, or by common practice.

That's are ruled case with the schoolmen. --Atterbury.

4. (Law) To require or command by rule; to give as a direction or order of court.

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.

Ruled surface (Geom.), any surface that may be described by a straight line moving according to a given law; -- called also a scroll.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Bow pen. See Bow-pen.

Dotting pen, a pen for drawing dotted lines.

Drawing, or Ruling, pen, a pen for ruling lines having a pair of blades between which the ink is contained.

Fountain pen, Geometric pen. See under Fountain, and Geometric.

Music pen, a pen having five points for drawing the five lines of the staff.

Pen and ink, or pen-and-ink, executed or done with a pen and ink; as, a pen and ink sketch.

Pen feather. A pin feather. [Obs.]

Pen name. See under Name.

Sea pen (Zo["o]l.), a pennatula. [Usually written sea-pen.]

Source: Webster's Revised Unabridged Dictionary (1913)