(slang, derogatory) Someone who attempts to take advantage of a given set of rules, usually by using an overly-literal interpretation that is contrary to their intent, or by selectively choosing which rules take precedence in a given situation.

(intransitive, slang, derogatory) To behave as a rules lawyer.

An analog calculator consisting of three interlocking strips marked with logarithmic scales, such that multiplication, division etc. can be performed by the equivalent of addition and subtraction.

(law) A decree issued by the court that becomes absolute at some later date unless cause is shown why it should not.

(law) The doctrine that no individual is above the law and that everyone must answer to it. / (law) The maxim whereby governmental decisions are made by applying known legal principles.

(transitive) To cross an item out by drawing a straight line through it, as with a ruler. / (idiomatic, transitive) To reject an option from a list of possibilities.

a pen used in graphic design and calligraphy for drawing precise lines of various thicknesses

Australian rules football.

(chemistry) A rule stating that atoms lose, gain, or share electrons in order to have a full valence shell of 8 electrons. (Hydrogen is excluded because it can hold a maximum of 2 electrons in its valence shell.)

Government by violent gangs, or by the masses.