ruler

прави́тель

A person who rules or governs; someone or something that exercises dominion or controlling power over others

• I bought a book and he a ruler.

  Я купил книгу, а он - линейку.

  Tatoeba · pne · CC BY 2.0 FR

• Could I borrow your ruler?

  Могу я позаимствовать вашу линейку?

  Tatoeba · CK · CC BY 2.0 FR

прави́тель

A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings