Rule Rule, v. i. 1. To have power or command; to exercise supreme authority; -- often followed by over. [1913 Webster]

By me princes rule, and nobles. --Prov. viii. 16. [1913 Webster]

We subdue and rule over all other creatures. --Ray. [1913 Webster]

2. (Law) To lay down and settle a rule or order of court; to decide an incidental point; to enter a rule. --Burril. Bouvier. [1913 Webster]

3. (Com.) To keep within a (certain) range for a time; to be in general, or as a rule; as, prices ruled lower yesterday than the day before. [1913 Webster]

The Collaborative International Dictionary of English. 2000.