Rule
WordNet
noun
(1) Measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
(2) Something regarded as a normative example
"The convention of not naming the main character"
"Violence is the rule not the exception"
"His formula for impressing visitors"
(3) A principle or condition that customarily governs behavior
"It was his rule to take a walk before breakfast"
"Short haircuts were the regulation"
(4) (mathematics) a standard procedure for solving a class of mathematical problems
"He determined the upper bound with Descartes' rule of signs"
"He gave us a general formula for attacking polynomials"
(5) A rule or law concerning a natural phenomenon or the function of a complex system
"The principle of the conservation of mass"
"The principle of jet propulsion"
"The right-hand rule for inductive fields"
(6) A basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
"Their principles of composition characterized all their works"
(7) Any one of a systematic body of regulations defining the way of life of members of a religious order
"The rule of St. Dominic"
(8) Prescribed guide for conduct or action
(9) Directions that define the way a game or sport is to be conducted
"He knew the rules of chess"
(10) (linguistics) a rule describing (or prescribing) a linguistic practice
(11) Dominance or power through legal authority
"France held undisputed dominion over vast areas of Africa"
"The rule of Caesar"
(12) The duration of a monarch's or government's power
"During the rule of Elizabeth"
verb
(13) Keep in check
"Rule one's temper"
(14) Decide with authority
"The King decreed that all firstborn males should be killed"
(15) Decide on and make a declaration about
"Find someone guilty"
(16) Mark or draw with a ruler
"Rule the margins"
(17) Exercise authority over; as of nations
"Who is governing the country now?"
(18) Be larger in number, quantity, power, status or importance
"Money reigns supreme here"
"Hispanics predominate in this neighborhood"
(19) Have an affinity with; of signs of the zodiac