plural of rulership

(astronomy) Any astronomical object of known diameter whose distance can then be calculated from the angle it subtends

plural of standard ruler

(archaic) second-person singular simple present form of rule

One who favors or advocates home rule.

plural of rulebook

Having the power to make rules

(law) The process of creating regulations.

Bound by rules; rigidly uncompromising.

(chiefly computing) A set of rules.