ruble

1 ENTRIES FOUND:
ruble (chiefly US) noun
or chiefly British rouble /ˈruːbəl/
plural rubles
ruble (chiefly US)
noun
or chiefly British rouble /ˈruːbəl/
plural rubles
Britannica Dictionary definition of RUBLE
1 
[count] : the basic unit of money of Russia
2 
[count] : a coin representing one ruble
3 
the ruble technical : the value of the ruble compared with the value of the money of other countries