ruler

The definition of a ruler is a strip of wood, plastic or metal used for measuring, or a leader.

(noun)

  1. An example of a ruler is a wooden tool used to measure the length of a piece of paper.
  2. An example of a ruler is a king.

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See ruler in Webster's New World College Dictionary

noun

  1. a person or thing that rules or governs
  2. a thin strip of wood, metal, etc. with a straight edge and markings in whole and fractional units of length, as inches or centimeters, used in drawing straight lines, measuring length, etc.
  3. a person or device that rules lines on paper, etc.

Related Forms:

See ruler in American Heritage Dictionary 4

noun
  1. One, such as a monarch or dictator, that rules or governs.
  2. A straightedged strip, as of wood or metal, for drawing straight lines and measuring lengths. Also called rule.

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