The difference between ruler and is:
ruler
English
(ruler)
Noun
(
en noun)
A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.
A person who rules or governs; a person who exercises dominion or controlling power over others.
Usage notes
In American English, the word "ruler" is often used specifically to refer to such a measuring device that is one foot (12 inches) long. Used in contrast with "yardstick" and "meter stick."
Synonyms
* (measuring instrument) rule.
Hyponyms
* duke
* emperor
* Highness
* king
* queen
* grand duke
* prince
* princess
* monarch
* tyrant
* See also
Not English
has no English definition. It may be misspelled. 