rule (EN)

noun, verb

noun “rule”

1. a regulation, guideline
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   The school's rules prohibit running in the hallways.
2. the act of governing or exercising authority over a group or territory
   Under her rule, the city flourished and crime rates dropped significantly.
3. what is usually done or the usual state of things
   In our house, the rule is to have dinner together every night.
4. a specific method for solving a mathematical problem
   In math class, we learned a simple rule for finding the area of a rectangle by multiplying its length by its width.
5. an instrument for measuring or drawing straight lines
   She carefully used the rule to draw a straight line across her drawing paper.
6. a straight line drawn as a guide for writing
   Before writing, she drew a rule across the page to keep her sentences straight.

verb “rule”

1. to have control or authority over others
   The queen ruled the kingdom with wisdom and strength for over fifty years.
2. (slang) To be excellent or outstanding
   Your new skateboard totally rules!
3. to make an official decision, especially in a court of law
   The judge ruled that the evidence was inadmissible in court.
4. to draw straight lines on a surface
   Before starting her math homework, Sarah ruled her blank paper with horizontal lines to keep her calculations neat.