I. ˈrüliŋ, -lēŋ noun
( -s )
Etymology: Middle English riwling, from gerund of riwlen to rule
1. : an official or authoritative decision, decree, or statement
his own experience and judgment carried more weight with him than the rulings of any of the surgical authorities — Harvey Graham
as
a. : a decision or rule of a judge or a court
b. : an interpretation by an administrative agency of the law under which it operates applicable to a given statement of facts
2. mathematics : a generatrix of a ruled surface
II. adjective
1.
a. : exerting power or authority
ruling family
ruling party
b. : chief , predominating
a ruling passion
a ruling ambition
a ruling idea
2. : generally prevailing : current
ruling prices in the world market — F.D.Smith & Barbara Wilcox