Commentary: 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
I always carry a ruler just in case.
Fido mistook George's ruler for a toy and chewed it to bits.
John was slapped on the hand with a ruler for fibbing, yesterday.
WordNet 2.0 Sense Numbers: 12
Commentary: (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.
WordNet 2.0 Sense Numbers: 11
Commentary: prescript, regulation - a principle or condition that customarily governs behavior
It was his rule to take a walk before breakfast.
Short haircuts were the rule.
He knew the rules of chess.
We've numbered the rules of this house.
Fido inspired rule number 7, "Don't drink from the toilet".
John inspired rule number 5, "Don't eat from the trash".
WordNet 2.0 Sense Numbers: 1 3 9 10
Commentary: principle, linguistic rule - a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct, esp. a rule or law concerning a natural phenomenon
Their principles of composition characterized all their works.
The principle of the conservation of mass...
We learned about the principle of jet propulsion.
The right-hand rule for inductive fields...
Defining linguistic rules for our program is the first step.
WordNet 2.0 Sense Numbers: 4 5 6
Commentary: convention, normal, pattern, formula - something regarded as a normative example
The rule of not naming the main character...
Violence is the rule not the exception.
Most young adults outgrow their action figures but John is the exception to the rule.
WordNet 2.0 Sense Numbers: 2
Commentary: RULE[+event] the duration of a monarch's or government's power (refers to a time period)
During the rule of Elizabeth Protestantism was re-established in England.
The rule of Caesar was long.
WordNet 2.0 Sense Numbers: 7
Commentary: dominance or power through legal authority [refers to power]
France held undisputed rule over vast areas of Africa.
The Chinese were in bad shape under the rule of Mao.
WordNet 2.0 Sense Numbers: 8