ruler
Pronunciation:
/ˈɹuːlə(ɹ)//ˈɹulɚ/noun
Definitions
A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings.
A person who rules or governs; someone or something that exercises dominion or controlling power over others.
verb
Definitions
To beat with a ruler (as a traditional school punishment).